Answer: 1. 0.6 m/sec. 2. 6m/sec
Explanation:
Frequency = 0.1/sec wavelength = 6 m
speed = freq x wavelength = 0.6 m/sec
speed = distance/time = 60/10 = 6m/sec
I am not sure how to answer
A biologist whose interest lies primarily in the study of plants or animals can be called a naturalist, although these days it's more likely she'll be called a natural historian, a botanist, or a zoologist.
I think it would be D. because your hypothesis wasn't correct.
Answer:
-It ensures life on Earth can exist.
-It is used by plants for photosynthesis.
-It is the main component of many biological components, including blood.
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