Oxygen, it takes in Carbon Dioxide and releases Oxygen as a waste :)
Enzyme- they are also known as natural catalysts.
The main function of DNA polymerase<span> is to make </span>DNA<span> from nucleotides, the building blocks of </span>DNA<span>. There are several forms of </span>DNA polymerase<span> that play a </span>role <span>in </span>DNA replication<span> and they usually work in pairs to copy one molecule of double-stranded </span>DNA<span> into two new double stranded </span>DNA<span> molecules.]</span>
I believe the answer is a Meander. (beware that this is actually a geography question not a biology one, please put it in the right section next time and it will be answered quicker!)
It has helped us by seeing what kind of things we can see with our eyes it also helps us by seeing mirco things like dirt
