Select all the correct answers.

which actions show that mixing or separating occurred?

purifying water with a carbon filter

a soda fizzing when its cap is opened

a metal mixed with a very small amount of a nonmetal to make a metallic alloy

using frozen carbon dioxide to create fog

Determine the maximum r-value of the polar equation r =3+3 cos 0

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)

Energy can be transformed from one form to another. the diagram shows one such process. which energy transformation is represented in the diagram? nuclear to thermal and radiant nuclear to electrical and chemical chemical to nuclear and radiant chemical to electrical and nuclear