<span>simple organic molecules can form spontaneously under conditions like those thought to prevail early in Earth's history</span>
The gradual decline in men's testosterone levels in middle age can reduce their sex drive
Answer:
They break down dead organisms and recycle nutrients. They directly help to maintain the population sizes of different predators. They primarily eliminate toxins from the water that can harm phytoplankton.
Explanation:
Hope it helps I found it on brainly
When a ball goes up in the air when it pauses to come back down that is the potential energy.
