Is a bowling ball sitting on the rack kinetic or potential?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

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

Which of the following is a testable hypotheses?