Determine which division had the largest percentage of participants with three or more risk factors?

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

Organize the word parts according to where they appear in a medical term.

How can scientists use the fossil record to find evidence of relationships between different species?