Which forest could be found before the industrial revolution and which can be found after? (light forest) (dark forest)

Anne, an intern in a microbiology lab, was observing the characteristics of various specimens of protists. match each specimen to the category of protist to which it belongs.

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer