Is plastic foam is a good source of thermal conductor or thermal insulator?

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

There are only about 250,000 known fossil species. true or false

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil