Use the drop-down menus to match the alkanes with the correct name. CH3CH2CH2CH2CH2CH2CH2CH3

CH3CH2CH2CH3

CH4

CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3

CH3CH3

100mg magnesium reacts with 20ml of 1.0m hcl

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?