A diagram shows part of the food web in Yellowstone national park. Humans begin removing gray wolves from the park in the early 1900s. In 1995, gray wolves were re-introduced to the park. Which two populations are most likely to decrease after gray wolves are added to the food web?

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Geothermal energy for industrial use is available almost anywhere. a.true b.false