In winter why do water tanks start freezing from surface and not from bottom

The distance around the block is equal to 3000 feet, how many blocks would you have to run to run a total of a mile?

What factors affect the chemical properties of seawater

Spectrum is Latin for which word? A. appearance B. scale C. range D. spread

If you are caught outdoors in a thunderstorm, why shouldn't you stand under a tree? Can you think of a rea - son why you should not stand with your legs far apart? Or why lying down can be dangerous? (Hint: Consider the electric potential difference.

Two teams of nine members each engage in a tug of war. Each of the first team's members has an average mass of 68 kg and exerts an average force of 1350 N horizontally.

What happens to the particles of the liquid inside a thermometer when the thermometer is heated? They slow down and spread apart. They speed up and spread apart. They slow down and move closer together. They speed up and move closer together.

You did 150 joules of work lifting a 120 - N backpack. how high did you lift the backpack? how much did the backpack weigh in pounds

After the layers of sediment are deposited in one place, they are

A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the tank if it is 0.500-m wide by 0.900-m long, given that the density of gasoline is 6.8 x 102 kg/m3

Which statement best describes the kinetic theory of matter? Matter is made up of compounds that are in constant motion and have energy. Matter is made up of particles that seldom move and do not possess energy.