If plants produce oxygen as a result of photosynthesis why aren't oxygen levels continually increasing the atmosphere

During which change of state do atoms or molecules become more ordered? ]

What happens to the orbit of earth when its velocity is halved

What happens to light when it strikes the inside surface of a smooth, curved mirror? It bounces in random directions. It bounces back toward a single spot. It passes through the mirror and moves in random directions.

What are some examples of magnetic properties?

A typical human contains 5.00 L of blood, and it takes 1.00 min for all of it to pass through the heart when the person is resting with a pulse rate of 76.0 heartbeats / minute. On the average, what volume of blood, in ( a. liters and ( b.

Difference between specific heat capacity and latent heat?

What are artificial magnets and natural magnets? examples

What would cause the force of kinetic friction to increase? A. a decrease in the normal force B. an increase in U s C. an increase in the normal force D. a decrease in U k

All light waves move through a vacuum with a constant speed. True or False

A simple pendulum has a period of 1.0 s. If you take this pendulum to Mars where the acceleration of gravity is 3.8 m/s2, what will the period of the pendulum be