It is c.a decrease of gravity!!
Aerobic respiration occurs in three stages: glycolysis<span>, the </span>Krebs<span>cycle, and </span>electron transport<span>. In </span>glycolysis<span>, glucose is </span>split<span> into two molecules of pyruvate. This </span>results<span> in a net gain of two ATP molecules.</span>
Separation of sister chromatids
Enzymes are protein macromolecules.
Answer:
An index fossil is also known as guide fossils or indicator fossil. They are fossils used to determine and identify geologic periods.
The main characteristics of an index fossil include :
1.It must be distinctive.
2.It must be widespread.
3. It must be abundant
4. It must be limited in geologic time.
Due to trends and studies of most fossil-bearing rocks being formed in the ocean, the major index fossils are mostly marine animal or plant organisms.