any agent that cause a mutation would be called a mutagen
Answer:
When the calcium level is high in the bloodstream, the thyroid gland releases calcitonin. Calcitonin slows down the activity of the osteoclasts found in bone. This decreases blood calcium levels. When calcium levels decrease, this stimulates the parathyroid gland to release parathyroid hormone.
Basic building block to all living organisms
have cell walls
Answer:
global warming is the planet slowly warming up because of human influence and carbon dioxide, chlorofluorocarbons, along with other pollutants..so we could stop using so many chemicals and burning etc
