Why does the flower has the sugary liquid called the nectar?

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

Quick asap will give brainiest ! what best describes the same pattern of tides on earth throughout the day? neap tides spring tides semidiurnal tides nocturnal tides

What condition is kept close to its set point in osmoregulation? a. body temperature b. platelet count c. blood glucose level d. water balance