3. Humans and microbes have "complex relationships.
What information in the article best supports this statement?
A. Scientists call bacteria that are harmless to humans "commensal."
B. Antibacterial hand sanitizers can wipe out all bacteria on a patch of skin.
C. Microbes are the oldest form of life on Earth, having first appeared over 3.5 billion years ago.
D. Some microbes benefit humans, while other microbes harm humans.

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

Gymnast always perform on padded mats. how does the mats protect the gymnast

What type of matter is made of only one kind of atom