Jill is doing push-ups. When she pushes off the floor and her elbows are fully straightened (extended), her scapulae are and when she lowers back down so that her chest is almost touching the floor, her scapulae are . Separate your answers by a comma.

abducted or adducted; protracted or retracted

Explanation:

Push-ups are forms of exercise that has it's effect on the muscles of hands, back, shoulder, elbow, neck, arm, legs, chest. It's primary effect it's actually on the hands, elbow, chest and the shoulder. During push-ups, the hand goes down and it's effective on the elbows, resulting to the scapulae to abduct, then lowering back down the scapulae is retracted.

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explanation:

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ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg