I am in middle school i need all 3 of them

variation:

definition. the act or process of varying

sentence. She studies subjects as varied as chemistry and sculpture.

synonym. difference

Bulb:

definition.a rounded underground storage organ present in some plants, notably those of the lily family, consisting of a short stem surrounded by fleshy scale leaves or leaf bases, lying dormant over winter.

sentence. the plant bulb needed some water

synonym. tuber

physiology:

definition.the branch of biology that deals with the normal functions of living organisms and their parts.

sentence.The physiology of respiration has been carefully studied by the doctor.

synonym . biological

Explanation: dont ask

1. list two reasons why fossil fuels should continue to be used as a source of energy in america.

i believe the dynamic character would be teddy because he learns an important lesson