HormonesWord choices can be used more than once:A. Cholecystokinin (CCK)B. GastrinC. Secretin1. These two hormones stimulate the pancreas to release its secretions.2. This hormone stimulates increased production of gastric juice.3. This hormone causes the gallbladder to release stored bile.4. This hormone causes the liver to increase its output of bile.

answer; polycythemia is the correct answer;

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

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