Which phase of water in the water cycle best drives weather and climate as it travels around earth

An explanation as to How a catalyst works

What are extensive properties of Oxygen?

Which change is exothermic? Solid water turns to liquid water as energy is added. Rain becomes sleet when the temperature falls below 0°C. Icebergs shrink as global temperatures rise.

Of the atoms listed below, which one will have at least one electron in its d orbital? A. Mg B. K C. S D. Cr E. none of the above

Is it possible for an Objects weight to change while its mass remains constant? Explain why.

Gasoline has a density of 0.749 g/mL. How many pounds does 19.2 gallons of gasoline weigh? Use significant figures. Do not enter "pounds" as part of your answer.

Which of these changes involved a physical change and not a chemical change?

Which of the following statements is true? Running an electric current through a magnet can create a magnetic field. Electric engines change electricity into magnetism. The strength of a magnetic field increases with distance.

valancy of x is 3 while that of y is 1. write a formula of the compounds when each of the seperaty combines with oxygen

The elements that contain electrons in an F sublevel near the highest occupied energy level are referred to as? A. Alkali metals B. Alkali earth metals C. transition metals D. inner transmission levels