Answer:
Because photosynthesis is a source of oxygen, it seems intuitive that photosynthesis evolved first: once enough O2 was in the air, then respiration would be able to arise in the newly oxygen-enriched atmosphere. However, some biologists have argued since the 1970's that respiration in fact evolved first.
<span>It could lead to overfishing, since more fish have to be caught due to the high mortality rate.</span>
Answer:
the ratio of the surface area to the volume is 1:2
Liquids can evaporate at room temperature<span> and at an average air pressure. Evaporation happens when atoms or molecules release from the liquid and </span>turn into<span> a vapor. </span>
The proteins in the cell membrane allow the nutrients to go and waste to go out <span>of a cell. Water passes through the cell membrane without the help of proteins.</span>
