Tell me something abt space i wanna know-

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

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

Ascientific idea becomes valid when it is what?