Charles runs faster than any of the kids in his neighborhood. One day, his friends decide to find out exactly how fast he can run. They determine that Charles can run 100 meters in 13 seconds. Assuming he runs at a constant speed, which of the following graphs shows Charles' speed? W. X. Y. Z. A. X B. W C. Y D. Z

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.