Write the function of eustachian tube?
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Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a. earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c. earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.