The downward movement that results from gravity acting on loose sediments and weathered rock

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

Blank is a rock with a find dark texture that makes up the oceanic crust