MORE THAN ONE

Select all of the following that are advantages of tidal energy.

A. No greenhouse gases are
produced.

B. It is a renewable source of energy.

C. It can only be installed along coastlines.

D. After installation, the energy produced is free.

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.