Which statement below best describes eutrophication?

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Draw the structure of dna nucleotide with adenine as nitrogenous base

What percentage of light hits earth's surface directly?