Answer:
as it settles deeper underwater ph tends to be higher and a sea urchin tends to be more resilient to change
 
        
             
        
        
        
Nylon Three-Strand line is the most commonly used anchoring line. The correct option is A.
<h3>What is anchor line?</h3>
Anchor rodes can be all rope, all chain or a combination of both. The term “anchor line” as used here refers to the nylon portion of the rode. 
Anchor rodes generally consist of a long length of nylon line with an eye splice and a thimble to which is shackled a short length of galvanized chain.
The missing options are:
- Nylon.
- Dyneema.
- Polyethylene.
Nylon Three-Strand line is the most commonly used anchoring line.
Thus, the correct option is A.
For more details regarding anchor line, visit:
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They are useful because of the way they process and digest food. They apply their enzymes externally and then absorb smaller mollecules. This process releases things like CO2 or creates alcohols, and this has historically been used in making drinks like beer or foods like bread and cheese. 
        
             
        
        
        
Answer:
Blood cells are produced in the bone marrow of the body more specifically they become blood cells from first being stem cells which then divide until they reach a mature red blood cell stage. ( or other types of cells, stem cells are like the blank template for either red blood cells, white blood cells, or platelettes.) 
Explanation: