Involves the transformation of chemical energy directly into light energy?

Which of the following best describes the impact of rainforest deforestation on global precipitation? a. The average global level of precipitation increases. b. The average global level of precipitation decreases. c.

What are the basic requirements for a terrestrial world to have a global magnetic field?

Which collects light in a reflecting telescope? a. concave lens b. concave mirrors c. convex lens d. convex mirror

A wheel of mass 60.0 kg is pushed with a net force of 26.4 N. Find acceleration.

Which is a likely use for a base? a. as a vitamin in your food b. etching metals for printing c. making foods taste sour d. making soaps and detergents

During the Pleistocene, a land bridge connected Alaska and Asia. What could have caused this bridge to from? the ending of an ice age the beginning of an ice age the erosion of the Alaskan coastline the erosion of the Asian coastline

A rock is shot vertically upward from the edge of the top of a tall building. The rock reaches its maximum height above the top of the building 1.60 s after being shot.

Which of the following effects does low nitrogen availability most likely have on the carbon cycle? a. more carbon dioxide is taken up by plants b. carbon dioxide is trapped in the soil around plants c.

If the mass of an object is 300kg and the applied force is 3900N, calculate the acceleration

If a cup of coffee is at 90°C and a person with a body temperature of 36°C touches it, how will heat flow between them? A. from the hand to the cup B. from the cup to the hand C. from the cup to the surrounding air D.