How did fossil fuels come about?

inorganic materials beneath the sea

the remains of plants and animals millions of years old

only dinosaur fossils

sedimentary rocks on the tops of mountains

Which of the following is not a state of matter? A. solid B. liquid C. water D. plasma

A substance that forms a vapor is generally in what physical state at room temperature? liquid or solidsolidliquidgas

Water is always blank around the earth

What is an output force?

Consider the reaction 2 nh3 + ch3oh → products. how much nh3 is needed to react exactly with 21 grams of ch3oh?

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?

Condension occurs in the inside of your windows in Winters, why?

How can you use Hess's law to determine a reaction's enthalpy?

7. How much energy in KJ is released when 15.0 g of steam at 100.0 degrees Celsius is condensed and then frozen to ice at 0.0 degrees Celsius?