1. Which characteristics are shared by most metals? * 2 polf
A. They conduct electricity very well
B. They are shiny
C. They don't form alkaline solutions when mixed with water
D. Both A and B

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?

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.

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