B) antigen, should be your answer
T cell, antibody, and histamine are all created by your body to help combat wounds or foreign substances
hope this helps
True, because of the hot and dry summers, periodic fires are an important abiotic.
Answer:
Codons
Explanation:
They are the genetic code is the set of rules used by living cells to translate information encoded within genetic material into proteins
Answer:
integumentery system
Explanation:
your skin is actually the first protection against illness-causing pathogens.
The Earth is a giant heat engine. The warm less dense tropical waters flow away from the equator and help moderate the climate of coastal areas. Eventually the heat is lost and the cooler denser water sinks and flows back toward the equator where the cycle is repeated.
<span>A change in the pattern would be very serious. Areas used to warmer waters could have colder weather, snow and ice. Trees, plants and animals used to warmer weather may die out. </span>
<span>A breakdown of this circulating system is one possibility that some scientists think caused the ice age.</span>