Answer:
Upward direction.
The friction is kinetic friction
Answer:
Revolving nosepiece
Explanation:
The revolving nosepiece is one of the parts of a microscope, used for holding the objective lenses. They can be turned to put a particular objective lens in place to be used in order to vary magnification.
Answer:
oxygen was produced by phosynthesis
Explanation:
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Answer:
the Arrow X shows the direction of amplitude
Explanation:
As the amplitude is the maximum displacement of a wave from the mean position
I think the correct answer is is D.