The first time a pathogen hits, our bodies do not know how to handle it properly. This means that our bodies take more time to handle it the first time around. The second time around, however, our bodies have altered so that they can handle the pathogen more efficiently. Hope this helps!
Answer: hard water because it has a high concentration of calcium and magnesium
Explanation:
The hardness of water is because of the presence of an appreciable amount of magnesium and calcium in it. These minerals make the water hard. As the hard water contains a high concentration of magnesium and calcium, drinking hard water will increase the daily intake of minerals along with those obtained from food. Hard water is also considered good for the cardiovascular system. Thus the hard water can be considered the best beverage choice.
The answer is D. Ignore threats from the cyberbully.
The best way to deal with cyberbullies is to just ignore them, do not respond to them as this is what they want, the attention, the glory. You should always tell an adult you trust for example your parents about any cyberbullying, you should not keep it to yourself as this can be dangerous. It would be sensible to save all the evidence but as far as this question goes the best answer is D.
