Investigating which question will help a student find out whether the core of Mars is similar to the core of Earth?
Is the core of Mars metallic?
O What is the rate of rotation of the core of Mars?
O Is the core of Mars thicker than other layers of Mars?
Does the core of Mars have a strong gravitational field?

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

genetic variation will increase because of a new habitat and food source.

explanation:

what is this saying?