If one firecracker produces a sound intensity of 90db, what would be the intensity of a sound produced by 1000 firecrackers, all going off at once?

which wave behavior results from two waves colliding and the temporary combined wave reaults in a smaller wave than the original waves?

What is internal energy?

Using evidence from the article, defend the concept that Earth's magnetic poles have swapped places over time.

Suppose the original segment of wire is stretched to 12 times its original length. How much charge must be added to the wire to keep the linear charge density unchanged?

True or false a liquid does not have a definite shape, but it does have a definite volume.

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons

Gamma radiation can be significantly reduced by ... A sheet of paper Air A 3 mm thickness of aluminium Several cm of lead