Answer: Ozone depletion consists of two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere, and a much larger springtime decrease in stratospheric ozone around Earth's polar regions.
Explanation:
Answer:
B. they make copies of themselves inside your cells.
Explanation:
Pathogens cause illness to their hosts through a variety of ways. The most obvious means is through direct damage of tissues or cells during replication, generally through the production of toxins, which allows the pathogen to reach new tissues or exit the cells inside which it replicated.
Filtration, coagulation, settling basins and aeration are some examples of water treatment and is denoted as option A.
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What is Filtration?</h3>
This is a technique which is used to separate solids from a liquid or gas substance.
This alongside others mentioned above are used in treating water to remove contaminants and make it safe for drinking and other uses.
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Answer:
B
Explanation:
Brain stem is automatically control different sorts of functions such as heart beat, breathing, blood pressure and many more...
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Answer:A person whose body can no longer keep up with the demands of stress is in the exhaustion stage. At this point, there is not much this person can do anymore, and has to go and have a rest, or else there may be serious repercussions when it comes to that person's health.
