What does the 4 mean in the formula 4Na2SO3?

Niagara Falls is a set of very large waterfalls located on the border between New York and Ontario, Canada. Over 200,000 cubic feet of fast-moving water falls approximately 180 feet every second.

In your own words describe hot spot and the formation of the Hawaiian island

Which best compares freezing and condensation? Both involve changes between liquids and gases. Both involve changes between gases and solids. Both involve the release of heat. Both involve the absorption of heat.

A machine is designed to lift an object wit a weight of 12 Newton's if the input for the machine is set at 4 Newton's what is the mechanical advantage of the machine

The playing time of 16 popular songs is found to have a standard deviation of 54.5 seconds. Use a 0.05 significance level to test the claim that the songs are from a population with a standard deviation less than one minute (60 seconds).

A projectile was launched horizontally with a velocity of 468m/s, 1.86m above the ground how long did it take the projectile to hit the ground

A racquet ball with mass m = 0.241 kg is moving toward the wall at v = 13.7 m/s and at an angle of θ = 34° with respect to the horizontal.

What type of plate boundary would be found along the coast line near Japan's volcanic mountain ranges

When the current in a toroidal solenoid is changing at a rate of 0.0270 A/s, the magnitude of the induced emf is 12.5 mV. When the current equals 1.30 A, the average flux through each turn of the solenoid is 0.00245 Wb.

A spring tide can occur at what day and month?