Which of the following is a trace element required by most living organisms? A) nitrogenB) oxygenC) carbonD) hydrogenE) magnesium

After taking a hot shower you may notice that the room gets steamy and the mirror is foggy you might also notice that there is moisture on the walls use these observations to come up with one reason why the temperature of the bathroom increases when

1.25 cm is the same distance as? 12.5 Km 12.5 mm 12.5 dm 12.5 m

Why should scientists perform experiments? A. To understand a hypothesis B. To answer questions about right and wrong C. To answer specific questions D. To impress their coworkers I believe I know the answer I just need it to be explained

The average temperatures on the surface of five planets are given. Arrange the planets in decreasing order of their temperatures.

Organic chemistry involves which type of study? A. The study of compounds and chemicals containing carbon, which include pharmaceuticals, drugs, and plastics. B. The study of matter and processes that occur in biological organisms. C.

Nonrenewable energy resources include what types of energy?

Why can we only see water vapor right above the boiling water

What does this symbol, 1/0N, mean? A. an electron of negligible mass and one unit of charge B. a position of negligible mass and one unit positive charge C. a neutron of zero mass and one unit positive charge D.

What is a characteristic of every combination reaction?

What is the change of a liquid to a solid, 15 letter word, 4th letter is "s".