A body of water is considered fresh when it does not contain appreciable amount of salt. The salt content of fresh water is variously expressed. However, more commonly the used parameter and value is 0.5 parts per thousand dissolved salts.
Answer: Its A Opposition
Explanation: Hope it helps
Answer:
The double helix describes the appearance of double-stranded DNA, which is composed of two linear strands that run opposite to each other, or anti-parallel, and twist together. Each DNA strand within the double helix is a long, linear molecule made of smaller units called nucleotides that form a chain.
Explanation:
For the answer to the question above, oxygen makes it Redi would think it has to do with the amount of oxygen in the blood stream. So the answer is the third one, t<span>he presence of oxygen–bound hemoglobin makes it bright red.
I hope my answer helped you</span>