Lightning is an electric discharge between a positively charged area and

a. a rising air mass.

c. another positively charged area.

b. a source region.

d. a negatively charged area.

Why aren't there many meteors in the atmosphere?

Two jets took off from an airport at the same time using parallel runways. One flew East at 220 mph and the other flew West at 450 mph. How long will it take before the planes are 2010 miles apart?

9. The length of a rectangle is 3 cm greater than its width. The perimeter is 24 cm. What are the dimensions of the rectangle?

A 1.0-kg ball has a speed of 12 m/s what is the ball's momentum

What are the moon phases

Name a good scary movie?

After 3 puppies were added to a farm, there were 4 times as many puppies as before. How many puppies were at the farm before the addition?

What is the definition of a reach school? a school where you have no chance of admission a school where you have a small, but possible, chance of admission a school where you have a good chance of admission a school where you have an almost

Which of the following best describes general information you would consider about choosing a 4 year college?

What does a scientist do