The table lists several radioisotopes that have technological uses. Which radioisotope would be used by both archaeologists and botanists (scientists who study plants) ? uranium-238 carbon-14 iodine-131 technetium-99

If the amplitude of a sound increases, which statement is true A. The sound energy decreases B. The wavelength of the sound increases C. The loudness if the sound increases D. The pitch of the sound increases

When water changes to ice, does the link up of atoms change?

A magnetic field produced by a current has the following characteristic (s) A. their field can be turned on and off B. they can have their strength changed C. their direction could be reversed D. All of the above E. none of the above

A small glass bead has been charged to + 30 nc. part a what is the the acceleration of a proton that is 1.

A certain string breaks when a force of 200 N is exerted on it. If two people pull on opposite ends of the string, each with a force of 180 N, will the string break? Explain

Legend says that archimedes, in determining whether or not the king's crown was made of pure gold, measured its volume by the water displacement method.

Resonance always causes the object resonating to fall apart or be destroyed. true or false

An insoluble solid material that is produced in double replacement reactions is called

A basketball player drops a 0.60-kg basketball vertically so that it is traveling at 6.3 m/s when it reaches the floor. The ball rebounds upward at a speed of 5.3 m/s.

Describe how humans' actions and natural processes have modified coastal regions in Louisiana and other locations