<h2><em>Why is it sometimes hard to establish an MPA?</em></h2>
- <em>Arguably, it is difficult to declare such an MPA successful, when <u>the human populations responsible for degradation have been removed</u>, and its mere establishment is rife with such political contention. Issues also arise when considering the resources needed to support a large-scale MPA.</em>
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<span>When plants moved on the land they had to adapt to new environment and </span>to deal with new <span>problems. The main problem for plants was to figure out how to regulate water loss within the cells. One of the solution was the formation of the waxy covering on top of leaves-cuticle, which evolved on the surface of leaves to reduce water loss. Another problem for plants was to figure out how to obtain resources from soil and air, so they developed vascular tissue to transport water/sugar within the plant.</span>
Answer:
except natural killer cells.
Explanation:
The Helper T cells produce cytotoxic T cells and help B cells, but not natural killer cells
Answer: mRNA: GCU : alanine
Explanation: