<span>If an object is accelerating then the forces applied on them are unbalanced, balance forces will cause the object to remain stationary or move at a constant velocity.</span>
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Answer:
Each layer has a different temperature range and contains different mixtures of gases and moisture. Human activities on Earth's surface can create changes in the atmosphere. Pollution, acid rain, and holes in the ozone disrupt how the atmosphere normally functions.
When a muscle contracts, a bone will move. When a bone contracts, a muscle will move. ... When a ligament contracts, a tendon will move.