How does and enzyme speed up a chemical reaction

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

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?