<span>D.It has affected the fates of a space probe and a commercial airline flight.</span>
<span>Basically, the body needs to know what it is defending against. Your body can still (usually) fight off infection, even without an immunization, but it takes longer. Basically, your body creates cells with a receptor for a specific disease. When this cell finds the disease it is programmed for, it will send out signals to the "killer" cells to come and kill it. If your body doesn't have the "seeker" cells, it can't fight off the infection until it does. The opposite end are autoimmune diseases, where your immune system starts attacking itself.
brainlest answer</span>
Answer:
Elements that are metals tend to lose electrons and become positively charged ions called cations. Elements that are nonmetals tend to gain electrons and become negatively charged ions called anions
Explanation:
Coastal habitats provide ecosystem services essential to people and the environment. ... Services provided by coastal wetlands include: Flood Protection: Coastal wetlands protect upland areas, including valuable residential and commercial property, from flooding due to sea level rise and storms. pollution kills much of the life that lives there and radically decreases biodiversity
Answer - A negative feedback loop.
When one is exposed to higher temperatures, the body starts regulating its own temperature by the process of negative feedback loop. In response to higher external temperatures one starts sweating, and this results in lowering of the internal temperature and cooling down of the body.