Fast! physical science salt is added to a flask of water. the flask is sealed and shaken for several minutes. after being shaken, nacl is still floating around in the water. what can be done to allow more nacl to dissolve in the water?

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

Which term best describes a community in which people work mostly in factories? a.agricultural. b.hunting and gathering. c.domesticated. industrial.

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.