*The rate at which radioactive decay occurs.
*How much radioactive decay has occurred.
Answer:
As global warming causes more snow and ice to melt each summer, the ocean and land that were underneath the ice are exposed at the Earth's surface. Because they are darker in color, the ocean and land absorb more incoming solar radiation, and then release the heat to the atmosphere.
Animals cells have a mitochondria, plant cells have a vacuole, a chloroplast and a cell wall for protection.
biology is a branch of science that deals with living organisms and their vital processes.