Answer:
It divides the hypersensitivity reactions into the following 4 types: Type I reactions (ie, immediate hypersensitivity reactions) involve immunoglobulin E (IgE)–mediated release of histamine and other mediators from mast cells and basophils. Examples include anaphylaxis and allergic rhinoconjunctivitis.
Explanation:
I would say the environment. Animals have certain adaptations to certain environments to ensure they thrive in such conditions. Some animals do not have such adaptations at first but simply grow it over time as the environment changes. Therefore, I would say environment is expediting the rate of evolution.
The answer is adhesion- since water molecules have an electrical charge, they are also attracted to any other substance that has any hint of electrical charge. A surface covered in condensation, like a spiderweb with dew droplets, is adhesion at work. Hope this helps :33
It can be harmful for humans because you do not want to hold the drug resistant bacteria within you because it can get you sick! If you take a certain medication over and over again, it will kill most of the bacteria that makes you ill, however it also leaves some bacteria that become RESISTANT towards the certain medication, resulting in the bacteria that is resistant reproducing and getting you sick once again.