PLEASE HELP Why is life dynamic? (This is the question for my science thesis and I'm stuck) the chapter was on: fossils, age of rocks/fossils, evolution, classification of organisms, 6 kingdoms of organisms, and dichotomous keys

Scientific evidence is most likely to be consistent if it is based on data from

The united states uses which source of energy to produce almost 40 percent of its electricity

You have trained year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4-5 hours. a. what is the length of a marathon in kilometers (1mile= 1.6 kilometers). b. what would your average speed have to be to complete the race 4.5 hours? give your answer in kilometers per hour.