Explain how your dna compare for your traits

Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. what could he have done to increase the validity of his data? reduce the number of plants. remove the 1 hour group. add a 0 hours control. measure the oxygen in liters

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

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