What are the things ships tie up to at dock?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

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

What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g