First one who answers this will be marked brainliest, , and 5 stars will be !

what do scientists compare to date fossil and rock samples?

a) isotopes

b) half-lifes

c) lifetimes

d) radioactivity

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations

What is the term for a water wave that is created by an underwater earthquake