What do solutions and colloids have in common

A. Both are made up of only elements

B. Both appear homogeneous

C. Both appear heterogeneous

D. Both have large particles that will settle out

What minimum radius must a large conducting sphere of an electrostatic generating machine have if it is to be at 20000 V without discharge into the air? How much charge will it carry?

Science and technology are interdependent. Advances in one lead to advances in the other. Give an example of this phenomenon

To run a centrifuge correctly, you should:

A water wave squeezing through a small hole is an example of

In 1996, astronomers discovered an icy object beyond Pluto that was given the designation 1996 TL 66. It has a semimajor axis of 84 AU. What is its orbital period according to Kepler's third law?

A train is 240 meters long and travels 20 m/s. How long does it take to cross a 360-meter long bridge? S

When polarizing an object, what happens to the charges in the object? A. They swirl about like bees in a hive. B. They separate, with positive charges on one side and negative charges on the other. C.

Hailey is preparing a debate on the benefits of using synthetic polymers over natural polymers, and she wants to create a list to get started. Which should she include in her list? Check all that apply. Synthetic polymers are biodegradable.

About how long ago did our solar system start to form?

Which of these describe the composition of earths atmosphere? A) mixture B) substance C) compound