In alkanes, carbon atoms are linked with each other by single bonds.
A. True
B. False

An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.