What should a scientist do to use scientific methods for determining the relative age of earth's rocks? a be biased in opinion b disregard views of others c use creative ideas d prove that methods are non-testable

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2