One molecule of glucose breaks down into two molecules of pyruvate, which are then used to provide further energy in one of two ways.
Two pyruvate
Answer:The world's human population is growing at an exponential rate.
Explanation:
Humans have increased the world's carrying capacity through migration, agriculture, medical advances, and communication.
Nitrogen is a major component by which plants use sun energy to produce sugars from water and carbon dioxide. (It is also a major component of amino acids)
I believe it is A because Living things respond to changes, each and every living organism is made up of cell and adapting to changes is same as responding to changes.So, only one left is A.
Explanation:
members of the same species battle each other to protect their young