B - They have different arrangements of atoms.
Answer:
Explanation:
friction between two rock surfaces grinding away minerals.
Answer:
An adaptation is a trait an animal has, physical or behavioral, that helps it survive or act in unique ways.
Answer:
A dam that could allow fish to still pass through is a fishway/fish pass its a "fish ladder" that is structured on or around artificial or natural barriers to allow for fishes natural migration and the movement for potamodromous species.
A larger piece of plastic waist is worse