Which of the following statements best describes the relationship between photosynthesis and respiration? ; a) respiration runs the biochemical pathways of photosynthesis in reverse.; b) photosynthesis stores energy in complex organic molecules, whereas respiration releases it.; c) photosynthesis occurs only in plants and respiration occurs only in animals.; d) atp molecules are produced in photosynthesis and used up in respiration.; e) respiration is anabolic and photosynthesis is catabolic.

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

Where does the esophagus lead to in a frog?