Respiration involves the breakdown of sugar. this process results in the production of energy for the cell. in order for cells to produce the most energy, what gas should be present?

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

How do ratio scale and diagrammatic scale work