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.
They are both sites of new cell formation. Hope this helps
Written...The letter should be written on good-quality paper....hopefully i helped....plzz give brainliest answer thnxx!!
The last one because empathy is when you feel bad for another person.
What is the evolutionary process that causes antibiotic resistant bacteria to increase and antibiotic sensitive bacteria to decrease in an environment where antibiotics are present called :
- Antibiotic selection
