What do theories hypothesize about the conditions of earth's early atmosphere? little to no oxygen low levels of ultraviolet radiation protective atmosphere very cold temperatures

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

What would be the most likely result if the ph of the stomach were increased to 5

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.