1.What weakens coral exoskeletons? Excess salt

Excess CO2

Excess sunlight

Excess fishes

2.A quarter of marine life lives in which type of ecosystem?

fish

zooxanthellae

coral reef

ocean

3.What do corals provide for zooxanthellae?

food

sunlight

a source of oxygen

a protective area

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

What is the difference between a scientific hypotheses and a scientific theory?

Which statements best describe monsoons? check all that apply. they force cool, moist air from oceans to rise. they are winds that blow in the opposite direction of a normal wind. they bring rain in the summer and drought in the winter they increase rainfall in south asia, africa, and australia. they influence precipitation as wind moves near a mountain.