New seafloor is formed at ____________ ____________. Fill in the blank(s) with the appropriate word(s)

A 2000-kg car and a 4000-kg car are hoisted the same vertical distance in a service station. Raising the more massive car requires

A. twice as much work. B. less work. C. four times as much work. D. as much work.

The ____________________ to sustaining biodiversity involves protecting habitats, biodiversity and ecological services instead of individual species.

Fill in the blank(s) with the appropriate word(s).

What traps light energy in primary producers?

a. Photosynthetic b. Thylakoid c. Chlorophyll d. Biomass

The newest energy source to be developed in Southeast Asia are biofuels, especially:

A) coal B) palm oil C) natural gas D) biomass E) none of the above