Solid A at 80°C is immersed in liquid B at 60°C. Which statement correctly describes the energy changes between A and B? AA absorbs heat, and B releases heat.
B. Both A and B absorb heat.
C Both A and B release heat.
D. A releases heat, and B absorbs heat.

cell division is not regulated in tumor cells.

phosphorus cycle

explanation:

the phosphorus cycle is the way that compounds of the element phosphorus, an essential nutrient, are recycled in the environment. plants absorb phosphorus compounds from the soil, and decaying organic matter, including both plant matter and animal droppings, returns it to the soil. phosphorus is a vital part of atp, the energy currency of all cells, and is vital to all forms of life.

the correct answer is:

they show how organic molecules could be made from earth's early atmosphere.  

explanation:

the miller–urey experiment lasted a chemical experiment that mimicked the forms created at the time to be present on the early earth and tested the chemical element of life under those circumstances. the experiment confirmed alexander oparin's and j. b. s.