An experimental variable is a variable that is being tested to answer a scientific question; while a control variable is a variable that is not being altered or changed during the experiement to serve as a constant. An example of an experimental variable is plant food solution A and whether it makes a kidney bean sprout faster than plant food solution B. An example of a control variable is water, because there is no plant food mixed in to create a solution; so it will serve as a natural constant.
Answer:
6 The earth come between the sun and moon
7 Full moon
8 entire night side of the earth.
9 The earth atmosphere acts as a prism and filter refracting longer wavelengths of sunlight enough to color the muted reflections from the moon.
Explanation:
Answer:
ML2T-2
Explanation:
Work= Force × displacement
=>
work= [MLT^-2] [L]
W= [ML2T-2]
Answer:
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