The most effective way to process biodiversity is through

A-captive breesing

B-habitat destruction

C-habitat preservation

D-habitat fragmentation

The earth exerts a gravitational force of F (r) = 2.99*1016r2 (in Newtons) on an object with a mass of 75 kg, where r is the distance (in meters) from the center of the earth.

What is the temperature 32 degrees Fahrenheit in degrees Celsius? A. 0°C B. 20°C C. 10°C D. - 10°C

You are riding your bike to the mall. You travel the first mile in 10 minutes. The last mile takes you 15 minutes. This is an example of

If energy is conserved why do we worry about world energy sources?

Compare the acceleration of a rock in free fall with the acceleration of another rock in free fall dropped a few moments before.

What mass of water will fill a tank that is 100.0 cm long, 50.0 cm wide, and 30.0 cm high? Express the answer in grams.

How do air quality scientists ensure the air is cleaned? What steps do they take?

A 4.0 * 102-nm thick film of kerosene (n = 1.2) is floating on water. White light is normally incident on the film.

Which of the following statements about how sound waves travel is correct? A Sound waves travel faster through solids than through liquids. B Sound waves travel faster through gases than through solids.

The idea that life could spring from nonliving matter is called? a. development. b. homostasis. c. spontaneous generation. d. evolution. 20 PTS