What do you think is the reason why it is peaceful to stay inside a bedroom with thick hung curtain than in bedroom without curtains? EXPLAIN YOUR ANSWER please answer this correctly i need it asap

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

The dot diagram represents the motion of the motorcycle as it moves from left to right

How do the kidneys affect homeostasis