Answer:
To help you conclude that no uncontrolled factors significantly influenced your results.
To help you determine that your experimental results are valid
To help control for factors that aren't being tested but might affect results
Explanation:
In an Ionic bond, a metal donates an electron and a non-metal recieves an electron. In a covalent bond, electrons are shared between two non-metals
Answer:
transfer RNA( tRNA)
Explanation:
Molecules carry amino acids to the ribosomes during proteins:)
