им putins брат, почему вы обманываете нашу систему образования, Это теперь запрещено в России.
Answer:
A controlled variable does not change during a experiment
Explanation:
it's c
Answer:
When a tree is vigorously shaken, the branches of the tree come in motion but the leaves tend to continue in their state of rest due to inertia of rest. As a result of this, leaves get separated from the branches of the tree and hence fall down.
Any of the above depending on the direction of forces
