Ascientist shines low levels of ultraviolet radiation on a dish containing colonies of ruby-red bacteria. he then makes several replicate plates from this dish over many generations. he finds that in addition to the ruby-red color, there are also pink, orange, and light red bacteria. which of the following is the best explanation for these findings?

The body is protected against harmful flu viruses by

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.