What are the two most important processes in the cycling of oxygen in and out of the atmosphere?

a. weathering and erosion

b. evaporation and precipitation

c. photosynthesis and respiration

d. lightning fixation and fossil fuel emission

Im building a car in a vidio game and i need a scetch of trophy truck suspention if you dont know dont answer im serios, and dislecsic so dont make fun of my spellng

An island is facing food shortage because its land has become barren due to phosphate mining. A group of people suggested that the island's crisis could be solved by importing high quality soil to start agriculture.

An ion source is producing 6Li ions, which have charge + e and mass 9.99 * 10-27 kg. The ions are accelerated by a potential difference of 13 kV and pass horizontally into a region in which there is a uniform vertical magnetic field of magnitude B =

Rock that is composed of different layers can begin eroding from the inside this creating an arch true or false

7. Which subatomic particle has no charge to it, but does have significant mass: a. electron b. neutron c. proton d. bozon

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.

How are trade winds affected by the coriolis effect

When a raw egg gets heated into an edible egg is this considered a physical or chemical change?

Starting at its rightmost position, it takes 2 seconds for the pendulum of a grandfather clock to swing a horizontal distance of 18 inches from right to left and 2 seconds for the pendulum to swing back from left to right.