The lining of the gastrointestinal tract that allows for absorption and secretion is: simple columnar epithelium<span>. Substances that are absorbed from the GI tract pass: Through the </span>epithelial<span> cells of the tract wall....</span>
There are 20 different amino acids, but there are 64 possible codons.
"If you save your money" is an adverbial clause. The answer to your question is A. I hope that this is the answer that you were looking for and it has helped you.
The dependent variable is the one that you're testing so computer speed
the independent variable is the number of times you turn off the computer
control variables are the other factors that could affect the speed besides turning it on or off such as internet speed, the computer you use, changing location, etc
Be more specific with what you need help with please
