Answer:
dear user the answer is option A.oxygen level and water temperature and C.salinity and water temperature.
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The heart must beat faster during exersise because by increasing the heart rate the body is able to increase cardiac output and deliver the necessary blood flow to the mucles
I’m pretty sure it’s hydrogen if I’m wrong I’m really sorry
I would not take my word on this but i do think that, that is TRUE.
Answer:
Explanation: Collenchyma cells are elongated cells with unevenly-thickened walls. They provide structural support, mainly to the stem and leaves.
