where are the answers to choose from? if we have to pick the statement we need to know which answers we can choose
Answer:Chemical composition is the arrangement, type, and ratio of atoms in molecules of chemical substances.
Explanation:
SAT tests are created to confuse you, but don't worry! Here's my answer: Identifying an alternate route before you need one. Every Uber or Taxi driver is forced to do so before taking a road. Hope this helps!
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Muscle contractions have increased force at slower shortening velocities compared to higher shortening velocities.
When you perform an activity, your muscles tighten, shorten, or lengthen as a result of the contraction. When you stretch or lift weights, hold anything in your hands, or pick something up, it may happen. Muscle relaxation, when contracted muscles return to their pre-contracted state, is frequently followed by muscle contraction.
The pace at which a muscle shortens during a contraction is known as the shortening velocity. With increased speed, a muscular contraction loses force. Myosin heads attach to actin and pull the actin inward, shortening the muscle.
To learn more about muscle contractions here: brainly.com/question/14907458
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