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2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

What is an endocrine function? (apex) a.esophageal glands release mucus into the esophagus b.salivary glands release saliva into mouth c.swear glands release sweat to the skin d.the pineal gland releases melatonin into the bloodstream

Variety of living organisms; includes genetic, species, and ecological types.