Calcium and magnesium dissolved in water are the two most common minerals that make water "hard." The degree of hardness becomes greater as the calcium and magnesium content increases and is related to the concentration of multivalent cations dissolved in the water.
Teens compared to older adults, sexually active adolescents 15-19 years of age and young adults 20-24 years of age are at higher risk for acquiring STIs for a combination of behavioral, biological, and cultural reasons
Hello everyone my name is Nevaeh, I know everyone needs help in some way, shape, or form and i am willing to provide. I set up a google classroom where people can ask me questions and get help on work. No question is a stupid question so do not be afraid to ask. I usually only focus on core subjects but if you ask i will help with other specialized subjects. I can do essays all the way to power points :)
My google classroom is Brainly help the code is 7hr2k4
The answer is: the <span>epiglottis .
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