Which molecule has a structure with a ratio of 2 hydrogen 1 oxygen

Asap i will reward you brainliest for best which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.

Study this image which statement best describes the rock shown check all that apply

Diagram of the evolution of land plants?