Skeletal muscle or striated muscles is an important part of the human motion system. These muscles will contract and relax so as to move the bones in the body movement.<span>Bones as a means of passive motion was not able to move without the muscle as a tool motion.</span>
the answer is actually A. chemical weathering by oxidation .
chemical weathering works on rocks that contain iron. These rocks turn to rust in a process called oxidation. Rust is a compound created by the interaction of oxygen and iron in the presence of water.
When particles spread out it is called diffusion.
The moon has phases because of where the sun shines on it. Only yhe part wiyh light of the moon is visible. As the moon moves, the sun light hits is at different angles and creates the different shapes we call phases.