What effect do carbon dioxide and methane have on earth's temperature a. they trap heat in the atmosphere? b. they release heat from the atmosphere . c. they black beat from entering the ocean. d. they block heat from reaching earth's surface.

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

Witch type of microscope is used to view very small cell components like proteins and dna?

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons