Which process is defined as breaking down rocks into smaller pieces without changing 1. the rocks' compositions?
2. erosion
3. oxidation
4. chemical weathering
5. mechanical weathering

Are characterized by dry conditions, limited vegetation and wide temperature range. a.) tropical rain forests b.) deserts c.) grasslands d.) none of the above

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

What is the period of cell life when it is conducting