Answer:
a.c current
Explanation:
alternating current continously changes its direction when flowing in a circuit . a.c current is used in transformer and a.c generator
The nervous system has two main divisions, which include the central nervous system and the _____ nervous system.
Answer:
peripheral
Explanation:
Explain the places occupied by grass, a rabbit, and a wolf in an energy pyramid.
Answer:
Grass is on the bottom of the energy pyramid because it needs the least amount of energy. A rabbit is in the primary consumers level, and a wolf is a secondary level consumer.
Explanation:
which substance is a nuclei acid
Answer:
Nucleic acids are polynucleotides
Explanation:
Hope this helps
Answer:
Nucleic acids, which include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid)
Explanation:
Nucleic acid are made from monomers known as nucleotides. Each nucleotide has three components: a 5-carbon sugar, a phosphate group, and a nitrogenous base. If the sugar is deoxyribose, the polymer is DNA
Which is NOT an example of a transfer payment?
A. welfare
B. salaries
C. Medicare
D. Social Security
Answer:
B. Salaries
Explanation:
Answer:
b
Explanation:
Why do so some birds addict to smoke?
Nicotine is absorbed easily through the skin and feathers of birds. The smoke emitted from cigarettes will release nicotine into the air and that nicotine will settle on surfaces. These surfaces include your bird’s cage, bowls, toys and the bird itself. When a bird has nicotine land on their skin from secondhand smoke they will many times pick at their feathers or bite at their feet. Some will bite at themselves to the point that they create open wounds.
Respiratory infections and lung cancers are also a concern for birds kept in an environment where secondhand smoke is prevalent. Pneumonia is a very serious condition in domesticated birds and can lead to death.
hope it helps...!!!
What is the relationship between a gene and an operon.
Answer:
An operon is a segment of DNA containing a cluster of genes, which are all under the control of a single promoter and the same regulatory elements. The genes in an operon get transcribed together into a single mRNA strand and therefore undergo the same transcriptional regulation.
hope it helps
Which process is a characteristic of all living things and is responsible for differences within a population?
growth
fertilization
development
reproduction
Answer:
All living things have certain traits in common: Cellular organization, the ability to reproduce, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt. Living things will exhibit all of these traits.
Explanation:
All living organisms (whether they are bacteria, archaea or eukaryote) share several key characteristics, properties or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation (including homeostasis), energy processing, and evolution with adaptation.
what is system. mention one system of human body
Answer:
A system is the combination of different kinds of organs for functioning or performing special tasks in our body. For Example : Skeletal System.
Plants release scents that attract pollinating insects to them. These adaptations primarily help the plant to _____.
A
find food
B
find water
C
protect themselves
D
reproduce
Answer:
I believe D, because pollen is used for reproduction.
True or False: A trait is only considered an adaptation if it is beneficial to the organisms current environment
Answer:
this statement is false:
Explanation:
natural selection is a process im which organism evolve to become better adapted to their environment
7. Discuss the practical and theoretical differences between an interval training program used to improve the ATP-PC system and a program designed to improve the ATP production via glycolysis.
The ATP-phosphocreatine (PC) system is more suitable in conditions of high energy expenditure, whereas glycolysis is a step during cellular respiration.
What is cellular respiration?Cellular respiration is a chemical process by which aerobic cells generate energy in the form of ATP by using foods as a source of energy in presence of oxygen.
During cellular respiration, glycolysis (glycolytic pathway) is the first step for ATP production.
The ATP-PC system is anaerobic, works in hypoxia conditions (oxygen absence), and is faster to provide energy than cellular respiration.
However, the ATP-PC system is energetically less efficient than cellular respiration in terms of the number of ATP molecules produced per unit of glucose.
Learn more about cellular respiration here:
https://brainly.com/question/2809259
Which of the following best explains why few impact craters are found on earth?
A. Impacts on earth do not form craters.
B. Erosion has erased most of the impact craters on earth.
C. Most impacts occurred before earth was formed.
D. Few impacts have occurred on earth.
Answer:
i think it would be C
hope that helps if not i can change it
Explanation:
HELP ME PLEASE!!!! ILL MARK YOU BRAINLEST
how is rising sea levels important?
Answer:
Rising sea levels greatly affect the environment negatively. Flooding or erosion of deltas are all disastrous. It is important to be aware of the effects of rising sea levels to find a way to prevent the continued rise.
Explanation:
Which is not included in the atmospheric conditions?
A. wind
B.Humidity
C. Potential energy
D. Temperature
Answer:
I believe the answer is C. Potenial energy
Explanation:
Earths magnetosphere is not part of it and that potential energy.
Blood has traveled from the heart to the toes. Which describes the next step
of the circulation process?
• A. The blood releases carbon dioxide on the way back to the heart.
•
B. The blood goes through the liver to be cleaned.
O C. The blood travels back to the heart in a vein.
• D. The blood travels to the lungs to get oxygen.
Why does the land on earth appear to be stable when in fact it is changing?
Sugar is a type of carbohydrate.
(i) Eating too much sugar can make a person overweight.
Suggest why.
Answer:
Explanation:
--> Excess sugar may cause you to pack on weight because it's high in calories while offering few other nutrients.
: )
In a variety of ways, a high-sugar diet can cause weight gain. It's high in empty calories that have no nutritional value, causing your body to store fat and tricking your brain into wanting more.
when is glycogen , which is stored in the liver , converted into glucose and released into the blood ?
Answer:
This stored form of glucose is made up of many connected glucose molecules and is called glycogen. When the body needs a quick boost of energy or when the body isn't getting glucose from food, glycogen is broken down to release glucose into the bloodstream to be used as fuel for the cells.
is the following sentence true or false? Changes in chromatin structure and histone DNA binding are associated with changes in gene activity.
Answer: The correted answer is true
Explanation:
Changes in chromatin structure and histone DNA binding are associated with changes in gene activity. True)
A hormone that promotes gluconeogenesis in the liver is:.
Answer:
Glucocorticoids
Explanation:
A hormone that promotes gluconeogenesis in the liver is glucagon.
EXTRA:
Meanwhile, insulin promotes the uptake of glucose into cells to reduce the level of glucose in the blood.
These two hormones work together two regulate your blood sugar
Hope this helps!
in your own words list Kepler's three laws of planetary motion
Answer:
1) Every planet's orbit is an ellipse with the sun at a focus.
2) A line joining the sun and a planet sweeps out equal areas in equal time(s)
3) The square of a planet's orbital period is proportional to the cube of semi major axis of it's orbit
The diagram represents the development of an embryo.
Which choice is true about the resulting embryo?
It is genetically different from its parents.
It is genetically identical to its parents.
It contains a different number of chromosomes from its parents.
It contains twice the genetic information of its parents.
Answer:
it contains twice the genetic information of its parents
Explanation:
each parent gametes that will be responsible for fertilisation have a half number of chromosomes
PSYCHOLOGY: Personal characteristics such as one’s __________ and __________ are often stable throughout one’s lifetime. A. temperament . . . emotionality B. attitude . . . intelligence C. temperament . . . attitude D. emotionality . . intelligence
Answer: A. temperament . . . emotionality
Answer:
A : temperament . . . emotionality
Explanation:
What are the minimum energies of the two oppositely directed gamma rays in a pet procedure?.
Answer:
0.51 1 MeV
Explanation:
-mec2 is the rest energy of the electron (0.511 MeV)
-Pair production and triplet production are followed by the annihilation of the positron with a ‘free’ electron producing two annihilation quanta, most commonly with an energy of 0.511 MeV each and emitted at 180º from each other to satisfy conservation of energy, momentum and charge.
Is the "Kingdom" level more specific or less specific then the "Domain" level?
Answer:
It is less specific. I know it can be hard to memorize all of the taxa but I just try to use a mnemonic (which I included below)
Explanation:
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
*Remember that in order to give an animal a scientific name we use the genus and species. Scientific names are always italicized and the Genus will be capitalized while the species is lowercase. The genus comes first.
Here is a mnemonic to help memorize the 7 taxa (Taxa is just the fancy word for each group in our classification system) Daring Kings Play Cards On Funny Green Stools.
Tip: The top of the category is the broadest and the further down you go, the more specific your categories get.
I hope this helps! ;)Answer:
Yes. Less specific. Kingdoms are slightly more specific than Domains. Remember that living things are always divided into 5 kingdoms.
AnimalsPlantsFungiProtistMoneraAn easier way to remember this mnemonic sentence, Any popcorn for perfect movies? Try writing it down with the meaning behind it! It will help you a lot. And remember the levels of classification:
DomainKingdomPhylumClassOrderFamilyGenusSpeciesThe higher the list is, the less specific, the lower, the more specific. You may want to write down this mnemonic sentence as well, to help you remember the levels of classification; Did king Philip come over for grape soda?
The most abundant bulk elements that make up the vast majority of living organisms are:.
Answer:
Carbon, oxygen, and hydrogen.
Answer:
The answer is oxygen, carbon and hydrogen
Explanation:
.
Algae are small photosynthetic organisms found in aquatic ecosystems. Their cells produce a kind of oil. Scientists learned how to extract the oil to create fuel, which can be used in place of fossil fuels. Scientists think algae can produce 60 times more oil per acre than plants, like corn, that are commonly used to produce biofuel.
To produce algae oil, very large ponds were built for growing algae. However, scientists soon made two discoveries.
As the algae grew, it formed layers at the pond surface. These layers crowded and shaded one another.
Many insects and other consumers frequently entered the ponds.
Based on the two discoveries, what would likely be a problem for algae oil production?
A.
Crowding reduces access to food, so it makes algae less able to take in sugar and produce oil.
B.
Insects feed on algae, so all of the energy stored in algae oil is converted back into light energy.
C.
Consumers feed on algae, so the energy stored in algae oil is permanently lost from the environment.
D.
Shading reduces access to sunlight, so algae produce less sugar and are less able to store energy.
Answer:
C.
Consumers feed on algae, so the energy stored in algae oil is permanently lost from the environment
why do we need water and food
Answer:
To help regulate temperature and maintain other bodily functions
Explanation:
does that help
differentiate the types of muscle- skeletal, cardiac, smooth
Answer:
Skeletal muscle moves bones and other structures. Cardiac muscle contracts the heart to pump blood. The smooth muscle tissue that forms organs like the stomach and bladder changes shape to facilitate bodily functions.
Explanation:
Answer:
cardiac muscles perform involuntary muscular movements of the heart, aiding the heart to pump blood throughout the body, while skeletal muscles perform voluntary muscular movements of bones, aiding physical movements of the body such as walking, running, and writing and smooth muscles perform an involuntary muscular movements of internal organs, aiding functions of the body such as digestion, urination, and breathing.
based on data from 2013 the majority of landfill waste cones from
MSW continues to be dominated by organic materials such as paper and paperboard, yard wastes, and food. Paper and paperboard make up 27%, while yard trimmings and food make up another 28.1 percent.
