Answer:
Pollution
Explanation:
What is Dilution
Dilution is the process of decreasing the concentration of a stock solution by adding more solvent to the solution. The solvent added is usually the universal solvent, known as water.What is pollution
the addition of undesirable material into the environment as a result of human activities.What is motion
when an object changes in position over time relative to a reference point. speed.What is Evolution
Evolution is change in the heritable traits of biological populations over successive generations.Which procedure is involved in the development of the fetus?
formation of a zygote
the start of mentruation
formation of organ systems
muscle contractions in the uterus
Answer:
formation of organ systems
Explanation:
Actually, answer might be formation of organ systems b/c fetus are unborn offspring that have organ systems in place. Thus to develop a fetus the zygote has to multiply and eventually form organ systems (around 8 weeks from conception).
A chemical property is determined by the following:
a. how it looks
c. how it feels
b. how it smells
d. none of the above
Answer:
Your answer is Option D. None of the above
Explaination:
Chemical Properties can be determined by Oxidation , Heat Combustion, How they react with other chemicals etc. While Physical properties include odor,taste,appearance,melting point,boiling point etc.
How does natural selection contribute to the theory of evolution?
Answer: Natural selection leads to evolution because the traits of those who are able to reproduce influence future generations genetics and gradually lead to these passed on traits becoming the normal state of being, thus causing the species in question to evolve.
Explanation:
Which is true according to Oparin and Haldane?
O The first organic molecules were formed in the sea, from the gases in the atmosphere.
O The early atmosphere contained methane, carbon dioxide, and oxygen
O The formation of amino acids was probably complete within one million years.
O Organic molecules eventually merged from several places on Earth.
Answer:
A) The first organic molecules were formed in the sea, from the gases in the atmosphere.
Explanation:
Here's a jist of what they proposed.
a factory owner might decide to manufacture shirts in parkistan instead of the United States because ?
Answer:
A factory owner might decide to manufacture shirts in Pakistan instead of the United States because it is less expensive to make shirts there.
what will happen to the temperature in your decomposition layer if decomposition actually occurs in your ecocolumn?
A: Stay the same
B: Increase
C: Stay exactly 75 degrees Fahrenheit
D: Decrease significantly
Explanation:
the temperature of that layer will increase.
Which of the following is evidence that supports the Big Bang theory?
There are three correct answers
A. the redshift of most galaxies
B. the measurable expansion of the universe
C. the existence of cosmic background radiation
D.the lack of cosmic background radiation
What is the main difference between a nematode and a platyhelminth?
Answer:
The main difference between Platyhelminthes and Nematoda is that:
Explanation:
Platyhelminthes consists of flatworms with a thin, dorso-ventrally flattened body whereas Nematoda consists of a cylindrical body, which is tapered to fine ends at each end.
During the first week of the menstrual cycle, an egg:
A. La ready to be fertilized
B. Matures in an ovary
C. Travels along a fallopian tube
D Attaches to the wall of the uterus
If an object is placed an electric field how will it move
Answer:
Explanation:
Electric field is a vector quantity whose direction is defined as the direction that a positive test charge would be pushed when placed in the field. Thus, the electric field direction about a positive source charge is always directed away from the positive source.
Answer the following question in the photo
Answer:
1.The father is able to roll the tongue because the allele for the ability to roll the tongue is dominant over the allele for the inability to roll the tongue
2.(BO) Father's Genotype
3.A maternal effect is a situation where the phenotype of an organism is determined not only by the environment it experiences and its genotype, but also by the environment and genotype of its mother.
4.The mother's genotype is AO
5.Within an individual organism, the specific combination of alleles for a gene is known as the genotype of the organism, and (as mentioned above) the physical trait associated with that genotype is called the phenotype of the organism
(the physical trait associated with that genotype)Name the two glands that control the nervous system.
Answer:
pituitary and adrenal
help with this question
Answer:
All of the options are correct.
Answer:
cross contamination is how bacteria can spread it occurs when juices from raw meats or germs from unclean objects touch cooked or ready to eat food.
now for your answer, it would be all of them because their all touching that raw meat and not getting sanitation
can I have brainly.. just asking..
A Foucault pendulum provides evidence that
Earth
(1) orbits the Sun
(2) has a nearly spherical shape
(3) is tilted on an axis
(4) spins on an axis
Answer:
The answer is 4) spins on its axis if it is wrong then tell me tho oaky
c. How could a higher rate of "reusing, reducing, or recycling" change the way money
is spent within a society? (1 point)
To reduce waste means to avoid making use of things that may lead to too much accumulation of waste as this will help to reduce waste.
Explain briefly?To reuse waste is to re-use the waste items in a situation where the waste are still good instead of disposing the waste.
To recycle waste is to turn the waste into something useful as the recycle waste can be turn into something of valuable for human use.
Inconclusion An effective way to manage waste in a shop.
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City water management is analyzing water samples from the local river for water pollutants that could be toxic to humans if found in drinking water. Their collection data is below.
Samples
Location
Nitrates
Carbamates
1
Two miles downriver from drinking water uptake facility
12 mg/L
0.06 mg/L
2
One mile downriver from drinking water uptake facility
9 mg/L
2 mg/L
3
One mile upriver from drinking water uptake facility
8 mg/L
0.04 mg/L
4
Two miles upriver from drinking water uptake facility
10 mg/L
0.05 mg/L
Toxic levels reached when nitrates are greater or equal to 10 mg/L and/or carbamates are greater or equal to 0.04 mg/L.
Which sample location(s)have nitrates or carbamates at toxic levels that could be collected by the water uptake facility?
Samples 1, 2, 4
Samples 1 and 4
Samples 3 and 4
Only sample 4
Aquatic toxicity is found in the four sample sites. But since the water uptake facility collects water from upriver, the correct option is C. Samples 3 and 4.
What is aquatic toxicity?Aquatic toxicity is the property of a substance to causes harmful effects on aquatic or water-dependent organisms.
Aquatic toxicity can be either,
Sharp ⇒ nocive effects after a short exposition periodCronic ⇒ nocive effects after a long exposition periodAquatic toxicity depends on the substance type and its concentration in water.
--
According to the problem statement, toxic levels are reached when
nitrates are greater or equal to 10 mg/Land/or
carbamates are greater or equal to 0.04 mg/L.Sample 1 ⇒ Two miles downriver from drinking water uptake facility
Nitrate → 12 mg/L ⇒ > 10 mg/L ⇒ toxic Carbamate → 0.06 mg/L ⇒ > 0.04 mg/L ⇒ toxicSample 2 ⇒ One mile downriver from drinking water uptake facility
Nitrate → 9 mg/L ⇒ < 10 mg/L ⇒ not toxic Carbamate → 2 mg/L ⇒ > 0.04 mg/L ⇒ toxicSample 3 ⇒ One mile upriver from drinking water uptake facility
Nitrate → 8 mg/L ⇒ < 10 mg/L ⇒ not toxic Carbamate → 0.04 mg/L ⇒ = 0.04 mg/L ⇒ toxicSample 4 ⇒ Two miles upriver from drinking water uptake facility
Nitrate → 10 mg/L ⇒ = 10 mg/L ⇒ toxicCarbamate → 0.05 mg/L ⇒ > 0.04 mg/L ⇒ toxicThe four sample sites have toxic levels. Both of the substances concentrations or at least one of them reaches the toxic level at each site.
However, since water uptake facility can colect water from upriver, we only need to consider these sample sites.
The correct option is C. Samples 3 and 4.
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Answer:
b
Explanation:
What abiotic factors affect the
oceans?
Please help me with this
Answer:
DNA: thymine, deoxyribose, large molecule, stay in the nucleus
RNA: single strand, uracil, leave the nucleus, small molecule
Explanation:
As for single strand, it's well known that DNA has two strands while RNA has one.
For the description that asks about thymine, you have to remember the nucleotide bases in DNA and RNA. Remember that DNA's bases are A, C, T, and G, while RNA has all the same bases except for T (which stands for thymine). In RNA, the thymine is replaced with uracil, usually abbreviated as U. That sorts out the descriptions that ask for thymine and uracil.
To figure out the one that asks for deoxyribose, remember that DNA has deoxyribose and RNA has ribose (hence why DNA is deoxyribonucleic acid while RNA is just ribonucleic acid.)
For the large molecule/small molecule ones and the questions that ask about the size of the molecule, remember that DNA is a way bigger molecule than RNA and that RNA is small enough to leave the nucleus, while DNA is much too valuable to the cell to be able to leave the nucleus.
Hope this helps!
can anybody help me :)
Answer:
Option A is correct answer
Explanation:
Because the option A foot is of eagle & eagle easily catches their pray for e.g. snake while others use their foot to either walk or stand.
Answer:
A
Explanation:
The picture in Option A shows feet with talons, which will help in easier prey capture. This allows a predator to catch and hold the prey.
When you speak naturally to children, you can teach them all of the following except
A. words and language in context.
B. behavior skills.
C. listening skills.
D. language and speaking skills.
Answer: B
Explanation: behaviour is learnt from action not speaking
The right response is C: listening abilities. Adults may teach toddlers a variety of crucial lessons that support language and speech development by speaking naturally to them. Setting a good example for children on how to use language in context is one of the most crucial things adults can do.
What is the deal with the samples ?This entails showing them samples of the language to use in various contexts and encouraging them to use the appropriate nouns and verbs. Children benefit from this because it enables them to appropriately grasp and apply the words they hear.
By giving children examples of appropriate behaviour in various contexts, adults may also assist youngsters in developing their social skills. This can involve things like greetings, apologies, or handling situations.disagreements.
Adults may teach kids how to respectfully communicate their thoughts and feelings. Finally, by engaging in conversation with kids and giving them feedback, adults may aid in their language and speaking development.
This might involve things like teaching kids to express themselves clearly and concisely, correcting grammatical errors, and explaining terms and phrases. However, normal conversation is not an effective way to teach listening skills.
The capacity to listen intently, comprehend what is being said, and respond properly are all parts of listening abilities. These abilities cannot be taught through casual conversation; instead, they require deliberate education and practise.
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3. What are the inferences you can make from each of the activity above?
A reagent is a chemical substance that cause a chemical reaction or used to test the one. In the given activity, different reagents are used to predict the compound. Starch gives blue color on reaction with iodine, glucose will have brick red precipitate with Benedict solution, and proteins will have reddish brown color with Millon's reagent.
Why reagents are used to test compounds?The reagents when combined with specific compounds performs specific reaction which helps to determine the presence of particular compound.
In the given activity,
If in the first test, if the iodine turns color to blue this will indicate the presence of starch.In the second test, if on adding Benedict solution, brick red precipitates formed, this indicates the presence of glucose.In the third test, on adding Millon's reagent the protein in the solution will form reddish brown color.Thus, these were some inferences that can be made from the given activities.
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Question 2 of 10
How did oxygen first enter Earth's atmosphere?
Answer: It wouild be biological proceses
Find out why mars would be a good choice for a human colonly. Also give some bad choices;
sight your sources '
helpp ill mark brainliest
Answer:
It has air but also lakes can be built to provide water to people living on it
PLEASE HELP ASAP!!!
What is the role of tRNA during translation?
A. It translates from amino acids to nucleic acids.
B. It moves the codons into a chain.
C. It moves the amino acids into a fhain.
D. It provides the code for the protein.
Answer:
a
Explanation:
name the five senses and their sense organs
Answer:
The Senses are:
Which two natural resources will be most affected as people try to meet the growing demand for food?
Answer:
water and land
Explanation:
I assume this is an open-ended question, so you could make an argument for lots of things, but these are the two most important ones in my opinion. The amount of freshwater on Earth is pretty small, only about 2.5%, and most of that is locked in ice. As the demand for food grows, the demand for water for crops and livestock also grows. This is in addition to the increase in water that is needed for a growing population. Climate change increases this problem because of drought. The second most important resource that will be affected is land. If we need more food, we also need space to grow crops and raise livestock. The available space is also reduced because people need places to live and we need to be able to grow trees for wood to build houses and other buildings. I argue that land and water will be the most in-demand commodities as the population continues to increase.
50 POINTS AND BRAINLY (25 points) IF RIGHT! DO ASAP PLEASE
Match the terms to the definition.
Question 1 options:
The spinning of a planet on its axis, causing day and night.
A group of objects that orbit a star.
A force of attraction that keeps planets orbiting the sun.
Jupiter, Saturn, Uranus, Neptune. Gas giants.
The orbit of a planet around the sun. On Earth, one year.
Huge clusters of stars, gas, and dust bound by the force of gravity.
Mercury, Venus, Earth, Mars. Terrestrial, rocky.
The idea of that the Earth and planets orbit the sun. A sun-centered view.
A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
The theory the universe came forth from a single spot in an enormous explosion.
1.
Big Bang
2.
Doppler Effect
3.
Nebula
4.
Solar System
5.
Geocentric theory
6.
Heliocentric theory
7.
Gravity
8.
Galaxy
9.
Rotation
10.
Revolution
11.
Inner planets
12.
Outer planets
13.
Meteor
14.
Meteorite
15.
Meteoroid
Matching the terms to their definitions is as follows:
Terms Definitions1. Big Bang The theory the universe came forth from a single spot in an enormous explosion.
2. Solar System A group of objects that orbit a star.
3. Heliocentric theory The idea that the Earth and planets orbit the sun. A sun-centered view.
4. Gravity A force of attraction that keeps planets orbiting the sun.
5. Galaxy Huge clusters of stars, gas, and dust bound by the force of gravity.
6. Rotation The spinning of a planet on its axis, causing day and night.
7. Revolution The spinning of a planet on its axis, causing day and night.
8. Meteorite Inner planets
9. Meteoroid Outer planets
10. Meteor A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
11. Gas giants Jupiter, Saturn, Uranus, Neptune.
12. Terrestrial, rocky Mercury, Venus, Earth, Mars.
Thus, the terms have been matched to their definitions as above.
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An area where deforestation has occurred is more vulnerable to
A. water pollution.
B. transpiration.
C. snowstorms.
D. seismic activity.
Answer:
A. water pollution
Explanation:
B. It can't be transpiration because that is how plants 'breath'
C That is dependant on climate
D. That is dependant on the area, not the forests
A. It must be A, because dirt will get washed into streams and other waterways because of erosion due to lack of plants, and it is the only logical answer.
Which organisms are likely to be found in level 1 of this diagram? Select the
two correct answers.
4
600
3
1550
Trophic Level
2
17000
1
340000
O A. Daisy
B. Tiger
O C. Algae
O D. Squirrel
O E. Rabbit
Answer:
Explanation:
Which organisms are likely to be found in level 1 of this diagram? Select the
two correct answers.
4
600
3
1550
Trophic Level
2
17000
Algae are the primary producer in the trophic levels. Therefore, option "C" is correct.
What are tropic levels?Tropic levels are the levels or steps in the food chain. In tropic levels, the energy is transferred to different levels through food produced by the lower levels. The source of nutrition varies in different food chains.
There are four types of tropic levels, first primary producers are the autotrophs which produce their own food. Second, are herbivores which consume the autotrophs also called primary consumers. Third are secondary consumers who are carnivores and fourth are the tertiary consumers who are also carnivores.
example: sun, plants, deer, and tigers.
Tropic levels play a key role in understanding the flow of energy.
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Forensic light sources such as UV lamps and LEDs are routinely used for locating and identifying evidence in criminal investigations. Research online and list three crime scenarios where these light sources were used to identify evidence.
Answer:
to see blood or to see fingerprints or footprints
Explanation:
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