Answer:
Spread
Explanation:
People use envelopes very often. The germs people carry are put into the envelope and then it's sent out to many others.
Carbon dioxide when the fossil fuels is burned
Answer: Option B)
Im 100% sure its the answer!
Explanation:
Temprature:the body must maintain a relatively constant temperature if it gets to hot the body employees vasodilation to cool down this delites the blood vessels allowing more heat to escape from them through the skin
Glucose: the body must regulate glucose levels to stay healthy. When glucose levels become to high the body realeases a hormone called an insulinwhen they become to low the body converts the glocogenin the blood to glucose
Toxins :in the blood can distrupt the body's homeostasis thus it signals the urinary system to ensure that the toxins are excreated