What forms when air masses with different temperatures meet?

a. storms.

b. thunder.

c. fronts.

d. currents

What occurs when the moons shadow falls on the earth's surface

A 50kg child on a skateboard experiences a 75n force as shown what is the expected acceleration of the child?

During World War 2, there were some cases where the crew fell out of burning aircraft without a parachute and survived the fall. Assume that the crew member reached a constant terminal speed of 126.1 km/hr prior to hitting a stack of loose hay.

List and Describe the six types of water pollutants?

The Sun's energy and composition is provided by which of the following?

What is the effect of a magnetic field on a stationary electric charge on a moving electric charge?

A ball is thrown upwards with an initial velocity of 25. o m/s, what is the velocity of the ball at 11.9 m from the ground?

Can rocks be weathered by wind and chemicals in the air

1. if you rub a neutral glass rod with silk, the silk acquires a negative charge. if you rub a neutral glass rob with a rubber rob, the rubber rod acquired a negative charge.

What's a scientific inquiry