The hydrogen and helium under the clouds of jupiter are in liquid form due to a. high temperatures on the planet b. high pressure produced by the clouds c. low temperatures on the planet d. low pressure produced by the clouds

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

This is the number of complete movements of a wave per second.

Why does lightning travel from clouds to the ground?