Why is a coat color an example of discontinuous variation

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

2. what process do mrna and trna work together to complete? (3 points)

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?