Wind happens when

Question 9 options:

hot and cool air rise

hot and cool air sink

hot air rises and cool air sinks

cool air rises and hot air sinks

Whether a material is magnetic or not depends on what

Two formulas for compounds containing hydrogen and oxygen are H2O and H2O2. Do these formulas represent the same compound? Explain.

Which best describes how sediment formswhat can create sediment

What is most plastic made of? (more than one) inorganic compounds organic compounds petroleum or coal materials carbon containing compounds synthetic materials

Which of the following best describes regolith? A. the layer of rock and mineral fragments that covers nearly all of Earth's land surface B. a large pile of rock fragments at the base of a steep cliff C.

Which information in the periodic table indicates the number of protons in an atom? A. the position of the element in its column B. the element's chemical symbol C. the element's atomic mass D. the element's atomic number

What were the expected results of Rutherford's gold foil experiment, based on Thomson's model of the atom? How did the real results of the gold foil experiment change the accepted model of the atom?

How many neutrons are in titanium

What planet has the largest known mountain in the solar system Two Moons and a period of rotation equal to 24.6 hours

A solution is another name for