Which of these forms when air moves in the direction shown by the arrows in the diagram

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

The response is the basis for vaccination. primary secondary tertiary none of the above

To test the responsiveness of the kidneys, scientists have designed an experiment tracking urine output of people during a normal day, while regulating the in-take of water by mouth. what would be an appropriate hypothesis for this experiment?