A person who has allergies has a compromised immune system because the body's immune system attacks its healthy cells.
overreacts to an antigen.
• steals nutrients from healthy cells.
O responds to mutagens.

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

What is the statement plant growth is affected by the color light

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?