The ozone layer protects the earth from . A. carbon dioxide
B. acid rain
C. too much radiation
D. air pollution

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?