The statement is true. Dead zones are the zones of oxygen depletion, which is caused by excessive running off of the fertilizers into the water body. These chemicals, particularly the nitrates, which are used by algae etc. which bloom by using the nitrates and use the oxygen present in the water. When they die, oxygen levels become critically low till then, for other aquatic animals like fishes etc., to survive.
Answer:
3.) The giraffe has adapted by it's neck length increasing to reach the branches
4.) Biotic factors
Explanation:
<u>QUESTION 3:</u> Due to the leaves growing towards the top of tree rather than around, the giraffes neck length impacts the access to the leaves, so they have adapted by increasing their neck length.
<u>QUESTION 4:</u> Giraffes and trees are both living things, therefore they are biotic factors.
C. Energy that is the correct answer
Answer:
If this is wrong im very sry, but i belive the answer is white blood cells
Explanation:
These are the cells that fight off infections and bactieria that is not sopposed to be in the human body, or any other living creature.
1. Protein Coat 2. Nucleic Acid