There is no such thing as pure water, when you buy bottled water you think you're buying pure water but it's the same water.
I'm not going into the scientific facts here but the truth is 'pure' water does not exist because that means the water will have NOTHING in it which means they will have to remove the natural minerals and then the water will interact with any organic materials the water encounters, including air and plastic.
<em>But the water is clean and healthy to drink. Just not pure.</em>
Muscles transfer force to bones through tendons. In an antagonistic muscle pair as one muscle contracts the other muscle relaxes or lengthens. ... The muscle that is contracting is called the agonist and the muscle that is relaxing or lengthening is called the antagonist. One example is tricep
Because the species are territorial, no two species can be in the same niche at any given time