What did scientists learn through the Human Genome Project? A. Where particular genes are located on human chromosomes

B. What every human gene does as well as how it functions

C. How to insert foreign genetic sequences into human DNA

D. When the first humans existed on earth

I don’t know if it is B or C

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled

Identify the area on the image where the force of attraction is the strongest.