If the solutes inside q paramecium is 1.80 and the environment is pure water what do we call the environment

How do you date a sample of rock that you suspect as being one of the earliest on earth

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this