The time difference between the occurrences of two peaks is the period of the wave. The time difference between two consecutive black dots marked also gives the period of the wave. Generally, symbol ‘T’ is used to denote period in physics. Unit of measuring period is seconds (s).
Answer:
D.
They break down dead organisms.
Explanation:
Answer:
They are microorganisms that are important in the nitrogen cycle as converters of soil ammonia to nitrates, compounds usable by plants.
Explanation:
What are your choices? Pteranodon means wing without tooth.
