Why does entropy increase over time?

What is the equation to find the volume of a hemisphere? I know the equation to get the volume of a sphere. It's 4/3 pi R cubed?

Which of the following materials can be used to shield magnetic fields from the inside of a box? (Select all that apply.) A. A box constructed of sheets of steel. B. A box constructed of sheets of plastic. C. A box constructed of sheets of aluminum.

when an electric current is flowing through a wire which of the following is also produced energy domain field force

A wave has a wavelength of 13 mm and a frequency of 20 hertz. what is it speed?

If you have a density of 3g/ml and a mass of 15 g, what is the volume?

Scientific theory can never be disproven

Adamma is migrating from Nigeria to Florida. She looks online for ways to deal with natural hazards in Florida. She finds four suggestions: 1. Board up the windows of your home. 2. Insure your home. 3.

A particle has two down quarks and one up quark. What is the charge of that particle?

Compare all the organisms. What trend do you see?

A man weighs 1190 n on earth. what would he weigh on jupiter, where the free-fall acceleration is 25.9 m/s 2? the acceleration of gravity is 9.8 m/s 2. answer in units of n.