It is hard to heat and therefore hard to change the temperature of earth since it is 70% water. can i get a best answer if someone eles answer
Oxygen is a small molecule and it's non polar, so it easily passes through a cell membrane. Carbon dioxide, the byproduct of cell respiration, is small enough to readily diffuse out of a cell. Small uncharged lipid molecules can pass through the lipid innards of the membrane.
Answer: The second one
Explanation: Hope this helps :)
Answer: the outer core
this is because it it furthest away from the centre of the earth that contains most heat. the furthur away from the centre the more cooler. #answerwithquality #BAL
Answer:
endosymbiosis.
Explanation:
By the beginning of the 20th century, researchers thought that plastids and mitochondria could come from bacteria. These would have been ingested by primitive cells and live within them in symbiosis.
