How could a lake be considered a part of one of Earth's spheres during one season
and part of another sphere during another
season?

Number and variety of living organism; includes genetic, species, and ecological types

Achange in direction without a change in speed is called velocity

How does the fermentation of pyruvic acid in cells contribute to the formation of atp? a. it completes the oxidation of glucose to co2, creating atp. b. it generates lactic acid, which cycles back through the krebs cycle, producing 2 atp molecules. c. it converts fadh2 to phosphate, which bonds with adp. d. it produces 2 nad+ molecules, which cycle back to fuel the glycolysis reaction, allowing 2 atp molecules to be produced.