When a pollutant is removed from the air by a natural process, it ends up somewhere else.
Adaptive immunity.
When antibodies are produced by lymphocytes, the body is conducting adaptive immunity.
Adaptive immunity is the body's way of identifying the presence of an antigen, recognizing what type of antigen it is, and producing antibodies that are specifically designed to attacked the said antigen.
It's B, I got it right. You would do chest thrusts if their torso is to big to reach around or if they're pregnant.
Answer:
Red algae are red because of the presence of the pigment phycoerythrin; this pigment reflects red light and absorbs blue light.
Answer:
This is the spring tide: the highest (and lowest) tide. Spring tides are not named for the season. This is spring in the sense of jump, burst forth, rise. So spring tides bring the most extreme high and low tides every month, and they always happen – every month – around full and new moon.
Explanation:
