SOMEONE PLEASE HELP ME You have a sample that has a half-life of 17 years. 1/8 of the sample is the parent isotope.

How old is the sample?

How much of the daughter isotope is left?

What are the four basic classes of organic molecules how do they differ structurally and functionally

Fruit bats in central america eat bananas and other fruits. banana plants rely on bats for pollination. what would be the most likely consequence on the banana crop if fruit bats were eliminated from the area? the banana crop would increase because bats would stop eating the crops. the banana crop would decrease because bats would no longer pollinate the crops. the banana crop would remain constant because bees would replace the bats. the banana crop would remain constant because the plants would adapt using asexual reproduction.

Can someone give me the answers to this?