B. Protostome development
Answer:
help interpret earth's past
great environmental indicators
created from living things that are buried
help us understand day to day life forms and ancestors
Explanation:
The elevation changes of the mountain that cause different climates and altitudes
C. Temperature and pH can affect how enzymes work
Enzymes show a maximum activity at an optimum pH and temperature. Changes in the pH or the temperature can cause damage in the structure of the enzymes, if the structure changes the substrate can no longer bind to the enzyme, which is why the activity of the enzymes starts to slow down.