3. About how many carbon-- 14 atoms from a sample of 800 C--14 atoms will remain after
2.0 half-lives? (Show your work)

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species

Part of the elbow is formed by the end of the humerus. what do you call this part?

Ineed on only on number 6 this is the only question that i need on