While exploring on your grandfathers farm, you find a layer of charcoal that might represent a campfire built by Native Americans. Explain how you could find the age of the charcoal layer?

How do you find the hydroxide ion concentration when you have the hydrogen ion concentration.

Determine the ph of a 0.461 m c6h5co2h m solution if the ka of c6h5co2h is 6.5 x 10-5.

True or false On the Celsius temperature scale there are not negative numbers

What are the characteristics of visible light.

Large particles of hardened lava ejected from a volcano are called A. lapilli B. cinders C. blocks D. bombs

Who wants to start a deep conversation?

If a glass contains 0.121 l of milk what is the volume in mL

The particles in a liquid are usually a. closer together and lower in energy than those in a solid. b. farther apart and higher in energy than those in a gas. c. closer together and lower in energy than those in a gas. d.

Which of the following is/are part of the nitrogen cycle? eutrophication denitrification saturation all of the above

How can you explain how charcoal both floats and sinks in water?