Which protozoan is a diver likely to encounter in large numbers at a coral reef?
o a.
ciliates
ob. foraminiferans
o c.
dinoflagellates
od. coccolithophores

What role do bacteria play in the carbon cycle

Which pair of sentences is describing the same velocity? a. a car is parked. a car is moving in circles. b. a bus drives 40 miles per hour north. a truck drives 50 miles per hour north. c. a boy walks east at 6 kilometers per hour. a girl walks west at the same speed as the boy. d. valerie rides her bike south at 8 kilometers per hour. owen jogs south at 8 kilometers per hour.

What two atoms form a covalent bond a.a sodium and chlorine atom b. an iron and oxygen atom c. two oxygen atoms d. two sodium atoms apex