Carbon-14 has a half-life of 5,730 years. If a 2000g sample goes through 2 half-lives, how much of the parent material is left?

the animal that would be cutest if scaled down to the size of a cat? elephant

helicase, i think thats it

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above