Why does ice float
A. ice is less dense than water
B. ice has a higher pH than water
C. ice has a lower pH than water
D. ice is denser than water

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.