Select the choice that best completes the following sentence:

a compass uses the property of to indicate direction.

a. electricity
b. magnetism
c. solar energy

the organisms are not adapted to live in some communities or habitats.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above