Which of the following best describes the use of a renewable resource? A. Propane is a product you might use to barbeque; it comes from natural gas and processing oil.
B. Coal is mined from deep passages dug in a mountainside and burned to generate electricity.
c. Oil is pumped from beneath the ocean floor and refined into jet fuel to power airplanes.
B. Wind turbines gather energy from the wind and convert it into electrical energy.

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.