Answer:
<h2>a. adduction </h2>
Explanation:
Adduction is a medical term that is used to describe the movement of the limb toward the body midline or body center. Fingers, toes, limbs and some others follow the adduction. It is a type of motion of the limbs so used in an anatomical study, physiotherapy, exercise, games, and some other fields. In the anatomical study, there are some other medical terms that explain other positions or movements of the body.
Enzyme function is influenced by physical and chemical environment factors such as pH and temperature.
-Enzymes may require a nonprotein cofactor or ion for catalysis to take place.
-Enzymes increase the rate of chemical reaction by lowering activation energy barriers.
Given the age of the meteorite is 4.5 billion years old with 78 atoms of lead-206 the answer should be B. 156. The half-life of uranium-238 in order to decay into lead-206 is 4.46 billion years, which means that the original number of atoms is 156.
50 IS THE ANSWER
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