5. A typical incandescent light bulb produces A. an absorption spectrum
B. a discontinuous spectrum
C. a continuous spectrum
D. an emission spectrum

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above