The phases of the moon depend on how much of the lighted side of the moon can be seen from earth. is this true or false

The waves created by two speed boats in a lake interact to form larger waves. This is an example of: A. constructive interference. B. destructive interference. C. absorption D. transmission

The auroras occur in the a. troposphere c. mesophere b. stratosphere d. ionosphere

You heat a mug of water to make hot chocolate. Which statement best describes the changes in the water? A. The kinetic energy of the particles increases as the temperature increases. B.

A toy gun uses a spring to project a 6.4 g soft rubber sphere horizontally. The spring constant is 9.0 N/m, the barrel of the gun is 12.4 cm long, and a constant frictional force of 0.028 N exists between barrel and projectile.

Is there any relation between distance and the colors we see?

It is difficult to lift a heavy stone than the lighter one on the earth, why?

The vapor pressure of ethanol at 25 degrees C is 7.83 kPa. Calculate the vapor pressure in atm. Round answer to 3 significant digits.

According to Newton's second law of motion acceleration or an object depends upon the ___ of the object and the ___ Acting on it. I'm confused on what the blanks are. I can't find them.

What is the concentration of H + ions at a pH = 7?

Suppose that Paul D. Trigger fires a bullet from a gun. Will the speed of the bullet leaving the muzzle will be the same as the speed of the recoiling gun? Explain.