Answer:
semipermeable
Explanation:
semipermeable membrane, such as plasma membrane, only allows only some materials such as oxygen—small material. other <em>stuff</em><em> </em>like starch couldn't get in.
Answer:
Phytoplanktons are microscopic creatures that are primary producers of oceans. Phytoplanktons take carbon dioxide from atmosphere to make their food and then they are eaten by some other animals of oceans.
Phytoplanktons are present in huge numbers in oceans and have a great contribution to the carbon cycle because it is responsible for the transfer of carbon dioxide from the atmosphere to the oceans.
Most of the carbon is released through combustion by animals that eat phytoplanktons but some accumulate in the ocean floor because some dead phytoplanktons settles down in the ocean.
Answer:
3rd or 4th one
I don't know the exact sry
Answer:
D. By decreasing the activation energy of a reaction
Explanation:
Answer:the advantages of gas is that it helps the vehicles go to the place you want to go to and the disadvantage of gas is that it can start a fire
Explanation:
The advantage of nuclear power is that it helps things function and the disadvantages of nuclear power is that it can explode in the hotness