An atom that has a different mass due to a different number of neutrons

What are 2 ways organisms would be affected by water pollution?

How is Uranus similar to Jupiter? It has rings. It has no moons. It has a rocky surface. It has methane in its atmosphere.

A simple heat engine might make use of the warm air around New York city. Enegy could be takenn as heat from the atompsphere (assume 30 celcius) and rejected as heat to the Hudson River (10 celcius).

An electron moving through an electric field experiences an acceleration of 5800 * 103 m/s 2. Find the magnitude of the electric force acting on the electron. The Coulomb constant is 8.98755 * 109 N · m2 / C 2, the fundamental charge is 1.

And area ? if a pressure gauge measure Increase in 3 x 101 (s) Pa on an of 0.7 m2, calculate the increase in the applied to the area? force

Why does the moon appear to change shape? A: It rotates and makes it own light B: It moves closer and farther away from the earth in a yearly pattern. C: It reflects sunlight as it revolves around the earth.

An object's weight is equal to its buoyant force in water. What would you expect to happen when the object is placed in water? Explain your reasoning.

What is the name of the german scientist that proposed the theory of continental drift

Trucks 1 and 2 are traveling at the same constant velocity but truck 1's energy due to motion is two times less than that of truck 2. This is because Truck 1's mass is:

Why do the densities of most substances decrease with an increase in temperature?