Answer:
pollution began to be a problem in 1800's.
Explanation:
more people meant more rubbish. industry also added to this
<span>The correct answer is C. prokaryotes do not have a well-defined nucleus, but eukarytoes have a true nucleus. The nucleus of the eukaryotes is also bound by a double membrane, and the eukryotic cell has membrane-bound organelles.</span>
Answer:
Carbon
Explanation:
Carbon is a fundamental element in all living things.
The answer is both histamines and leukotrienes. It is an arrangement of undesirable responses delivered by the typical safe framework, including hypersensitivities and autoimmunity. They are normally alluded to as an over-response of the resistant framework and these responses might be harming, awkward, or once in a while lethal. Excessive touchiness responses require a pre-sharpened condition of the host.