Which US rivers flow into the Gulf of Mexico? Check all that apply.

Mississippi river and rio grande river

Explanation:

Rio grande goes from texas into the gulf, and Mississippi goes via Mississippi. Hope this helps. Please give brainliest

5.4%

explanation:

their acceptance rate is 5% percent and the graduation rate is 98%

which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12