Answer:
1. False
2. True
3. True
Explanation:
I'm pretty sure these are right, I hope this helps!
Answer All are true
Cold air is more ________________, so it sinks
a. expanded (Will Give Brainiest!)
b. hot
c. dense
d. volume
Answer:
Dense, it falls because it is more dense then warmer air
Explanation:
Why does temperature not change during phase change?
Answer:
during phase change, the energy supplied is used only to separate the molecules,no part of it is used to increase the kinetic energy of the molecules. So its temperature will not rise, since kinetic energy of molecules remains the same.
A biologist observed a plant cell in a drop of water as shown in diagram A. The biologist added a 10% salt solution to the slide and observed the cell as shown in diagram B. The change in appearance of the cell resulted from A) more salt moving out of the cell than into the cell B) more salt moving into the cell than out of the cell C) more water moving into the cell than out of the cell D) more water moving out of the cell than into the cell
Explanation:
hope this helps
check it out
A biologist added a 10% salt solution to the slide and observed the cell as shown in diagram B. The change in appearance of the cell resulted from
D) more water moving out of the cell than into the cellAccording to the complete diagram, we can see that there is a transport between cells as there is a change in appearance as the biologist added a 10% solution to the second cell.
As a result of this, we can see that through the rigid cell wall, vacuole and cytoplasm, there are mechanisms for transport as it allowed more water to move out of the cell than into the cell which caused the shrinkage.
Therefore, the correct answer is option D
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7. If you look closely at an image of a clear-cut forest, you can see that clear-cutting does more than just remove trees from an ecosystem. What other effects will clear-cutting have on this ecosystem? Select all answers.
a. runoff will affect the stream ecosystem
b. Erosion will remove nutrient-rich topsoil.
c. Nutrients continue to cycle into the soil.
d. Some animal populations will move away .
Answer:
d
Explanation:
d is the answer ........................................Answer:
j7hy56gt
Explanation:
Why does the us have limited government
Answer:
The U.S. Constitution achieved limited government through a separation of powers: "horizontal" separation of powers distributed power among branches of government (the legislature, the executive, and the judiciary, each of which provide a check on the powers of the other); "vertical" separation of powers (federalism) ...
What are other examples
of physical change and chemical
change that I found in my home?
Answer:
Chemical changes=Burning of paper and log of wood.
Digestion of food.
Boiling an egg.
Chemical battery usage.
Electroplating a metal.
Baking a cake.
Milk going sour. Some examples of physical change are freezing of water, melting of wax, boiling of water,
Answer:
examples of physical change: boiling of water, freezing of water, melting of frozen liquid(ICE).
"""""""""""""""""chemical"""""""""":burning of match stick
Identify the macromolecule in the figure that store genetic information in molecules DNA, and RNA?
Answer:
The correct answer is - option 2. (chemical structure of the nucleotide)
Explanation:
Nucleic acid, DNA and RNA stores genetic information which helps in produces various proteins and for the next generation of the cells. Nucleic acids are made up of monomers of nucleotides joined together to form the nucleic acids. Each nucleotide has sugar, a nitrogenous base, and phosphate in the structure that joined to form a helix structure.
Thus, the correct answer is - option 2.
Answer:
Explanation:
2
3. The Kinetic Theory describes the ____
all matter
of particles in
all matter
Hydrophobic (polar) head functions
Answer:
Explanation:
Phospholipids consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol. The phosphate group is the negatively-charged polar head, which is hydrophilic. The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic.
what is the food that plants produce during photosynthesis?
A. chlorophyll
B. Chloroplasts
C. Glucose
D. Carbon Dioxide
(pls help its for a test and i don’t get any of it)
PLEASE HELP THIS CAN HELP MY GRADE IN THIS CLASS SO MUCH
Answer:
what are the answer choices
What piece of equipment is used to measure mass?
Answer:
triple beam balance
Explanation:
Hope this helped <3
Which sample is eukaryotic
Answer:
its between A or D, becuase example C looks way to much like a prokaryotic cell. Sorry its not much help.
Explanation:
Which best explains how nutrients, salt, sediment and pollutants get into estuaries and oceans?
Answer:
There's not a "best" explanation unless it is a multiple choice question -
However, some prominent ways are
1) runoff from heavy rainfall
2) industrial discharge
3) storm drains
4) natural sediment transport via water flow / currents
Sediments, fertilizers, and other contaminants are transported to estuaries by water that drains from uplands. A large portion of the silt and contaminants are filtered out of the water as it passes through wetlands like swamps and salt marshes.
What are estuaries?A coastal body of saltwater that is partially contained, has one or more rivers or river or lake into it, and has a direct connection to the open sea is called an estuary. Estuaries are an instance of an ecotone since they are a zone of transition between river ecosystems and ocean settings.
A place in which a freshwater river or stream joins the ocean is called an estuary. In estuaries, brackish water is created when a freshwater river and the salty ocean mingle. Although not as salty as the ocean, brackish water has some saltiness. Water that descends from uplands carries contaminants including fertilisers, sediments, and more to estuaries.
Therefore, sediments, fertilizers, and other contaminants are transported to estuaries by water that drains from uplands.
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Scientists can produce many plants in the lab by cloning; culturing a few plant cells in a test tube of chemical medium. Few cells grow into a new plant. It is easy for scientists to produce many plants from just a few cells. Where would you add "cloning" to the Venn diagr
Answer:
in the epicenter
Explanation:
In a Venn Diagram that compares and contrasts the different characteristics or features of the produced plants, "cloning" would be in the epicenter. This is because through the process of "cloning" you are basically copying the core genetic makeup of the plant and creating a brand new plant that shares all of the exact same characteristics and features as the plant's whose genetic makeup was used as a baseline.
Answer:
B. Mitosis
Explanation:
Mitosis is when cells divide to form an identical copy of themselves.
Select all correct answers.
Which of the following statements about the heliosphere are true?
The heliosphere is a bubble of electrically charged gas blowing outward from the sun.
The heliosphere of our sun continues until it meets the heliosphere of the next star.
The Heliosphere ends between earth and Mars.
The heliosphere does not extend as far as the Oort cloud.
Answer:
The answer is
The heliosphere is a bubble of electrically charged gas blowing outward from the sun.
The heliosphere does not extend as far as the Oort cloud.
Explanation:
I took a test and I guessed these two choices using what I remember and got it right.
Which of these zones of the ocean is most hospitable to life?
O A. Epipelagic
O B. Abyssopelagic
O C. Hadalpelagic
O D. Bathypelagic
Answer:
A.
Explanation:
The zones of the ocean which is most hospitable to life is the epipelagic zone. Thus, the correct option will be A.
What is the epipelagic zone?The Epipelagic zone can be referred to as the uppermost layer of the ocean. Epipelagic zone is located between the surface and the 600 feet in depth of the ocean. The Epipelagic Zone is also known as the Sunlight Zone. It is the region of the ocean which sits on the continental shelf in the oceans.
Epipelagic zone is in this thin layer which the process of photosynthesis takes place. The epipelagic zone of the ocean only represents about 2 to 3% of the entire ocean zone, beyond this zone, light is too dim for the process of photosynthesis to occur. This is the reason why, the epipelagic zone is the most hospitable zone of the life in oceans.
Therefore, the correct option will be A.
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Scientists can find new discoveries that change their current understanding of scientific knowledge. (3 points) True False
Answer:
true
Explanation:
Answer:
True
Explanation:
Plants release oxygen into the
atmosphere by...
A. Splitting apart water molecules
B. Splitting apart carbon dioxide
C. Attaching water together
D. Attaching oxygen together
Answer:
A
Explanation:
Plants use water in the process of photosynthesis, (to make food) but they don't need all of it. They use carbon dioxide, the stuff people and animals breath out, and release oxygen for us to breath, then we breath out carbon dioxide again and the process happens again.
Fun fact: Did you know that rain forests make their own weather? Plants not only release oxygen into the air, but tiny droplets of water. (water vapor, and this part of the water cycle is called transpiration) Those droplets condense and form clouds. That's why it rains every day in tropical forests. Cool huh?
6. Which of the following are the control variables?
A. Both number of fish and temperature B. Both temperature and light
I
C. Both light and behavior of fish
D. Both number of fish and behavior of fish
Answer:
Option (A)
Explanation:
As temprature can be regulated as well as the number of fish can be changed
Why / how does hydrogen bonding help ice cubes float?
Answer:
First, we must understand:
What is Hydrogen Bonding?
Hydrogen Bonding is the interaction between Hydrogen atoms, with their molecules, due to the fact that their (Hydrogen atoms and bonds) are weak that even the other types of bonds are stronger.
(The other bonds are: covalent and ionic bonds)
(Hydrogen bonds are weaker than the average bonds listed above)
If you are to take how and why hydrogen bonds effect/affect ice cubes, we would have to look at how ice cube are formed. If you know, ice cubes can be created due to low temperatures (cold temperatures) making water into a solid. When ice cubes form into a sold, the spacing of the molecules become further apart, creating the density of the overall ice cube lighter than it was allowing it (ice cubes) to float.
Limiting factors in water bio mes include
amount of salt
amount of dissolved oxygen
amount of sunlight
all of the above
Answer:
all of the above
Explanation:
Water biomes describe all the living things living in an area of water such as a lake or ocean. The surrounding environment plays a huge part in what organisms able to live there.
For example, green plants and algae require sufficient sunlight and oxygen to perform photosynthesis. Green plants and algae are an important food source for many other organisms. The amount of salt is important for various fish, as they will be unable to survive in very high salt concentrations. Therefore, all of the above are limiting factors.
What attitudes do you think are most healthy for teenagers to adopt during adolescence?
Answer:
Emotional responsibility, individual values, pursuing dreams and consistency are healthy attitudes that help keep a positive outlook on a teenager.
Explanation:
Which type of heat transfer causes a person sitting by the fire to feel warm?
a, absorption
b, conduction
c, convection
d, radiation
Which process binds together sediment to form new rock?
cementation
compaction
deposition
erosion
Answer:
It will be (cementation).
That's the correct answer.
The process that binds together sediment to form new rock is cementation. The correct option is A.
What is cementation?Cementation is the process of mineral materials precipitating in the pore spaces to harden and weld clastic sediments (those generated from preexisting rock pieces). It is the final phase of sedimentary rock formation.
Through cementation, sediments become sedimentary rock. In the spaces between the sediment particles, this action causes the precipitation of minerals.
Examples of cementing include carbonate hard ground and beach rock. Black rock is a particular kind of rock that develops along the shore and is composed of a wide variety of sediment types and sizes that have been cemented together.
Therefore, the correct option is A. cementation.
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Explain the roles of mRNA and tRNA in protein synthesis
Answer:
look at Explanation
Explanation:
Molecules of tRNA exist free in the cytoplasm of cells. When protein synthesis is taking place, enzymes link tRNA to amino acids in a highly specific manner. The third form of RNA is messenger RNA (mRNA), which receives the genetic code from DNA and carries it into the cytoplasm where protein synthesis takes place.
In the following equation, how many atoms of Oxygen (O) are present in the products
1
2
3
6
Answer:
3
Explanation:
jkljkl;jkl;jkl;jkl;jkl;klj;jkl;jkl;jkl;jkl;jkl;jkl;jl;j;
Can someone help me??
Answer:
S6 = E1
S5 = E6
S4 = E5
S3 = E3
S2 = E4
S1 = E2
Explanation:
can someone please help me ..
Answer:
Its poop mark me brainliest and have a good day (:
Explanation:
What will happen if gametes were diploid cells?
Answer:
If gametes were produced instead by mitosis each gamete would be diploid not haploid. During fertilization of diploid gametes, the zygote would become 4n=92. With each new generation the number of chromosomes would double.
