*PLEASE ANSWER* Which of the following statements describes crustaceans?

a.) all aquatic vertebrate animals with gills that don’t have appendages with digits

b.) members of the arthropod phylum who have crusty, hard, outer shells

c.) a type of segmented worm with two sets of two eyes, multiple antennae, and small
appendages that aid in feeding and sensing

The movement of tectonic plates in two different locations is shown below: two blocks labeled location a and location b are shown. at location a the top layer of the block shows two horizontal arrows pointing towards each other. small dunes are shown in the middle between the two arrows. the block labeled b has a vertical line in the middle. on the left of the line there is an arrow pointing down. on the right of the vertical line there is an arrow pointing up which statement is most likely true? subduction may occur in both locations. earthquakes may occur in both locations. subduction may occur in location a only and a volcanic eruption may occur in location b only. an earthquake may occur in location a only and a volcanic eruption may occur in location b only.

Are produced in the light reactions and used in the calvin cycle. a)nadh and atp b)electrons and sugar c)nadt+ and adp d)sugar molecules

List five ways we are indebted to phytoplankton