What causes changes in weather?

a.

Air masses move and meet.

b.

Water evaporates.

c.

The air gets more humid.

d.

Clouds form.

An object with an initial velocity of 3.0 m/s has a constant acceleration of 2.0 m/s2. When its speed is 19.0 m/s, how far has it traveled?

What does a trench form? What happens here?

Electricity from the local power company costs 7.22 cents/kWh. A homeowner wishes to pay a maximum of 25 cents per month for the electricity to power a stereo system. For how many hours per month could the stereo system be used?

Which has the greater density, a lake full of water or a cup full of lake water?

What is a solution? A. One substance dissolved in another substance B. A pure substance by itself C. One liquid layered on another liquid D. Two substances chemically bonded together

An example of objects the move in revolution

How many hops does a kangoroo do in 1 day

What are the average velocity and average acceleration of the tip of a 2.4 cm long hour hand of a clock?

What is the number one and most important rule to remember in soccer?

Why are convection currents; why are they hotter and colder parts of earth