Answer: B. Commensalism
Explanation: Commensalism is an association between two organisms in which one benefits and the other derives neither benefit nor harm. So, since the remora benefits and the shark is really not harmed or benefitted, B is the best answer.
<span>The ischemic penumbra can maintain metabolic demand with marginal blood flow from collateral circulation for a maximum of 50% before increasing in size. A penumbra is the area where the flow of blood at about 25 - 50% can maintain normal metabolic demands for 6 - 8 hours only. When it continues to increase, the human cells will die and other neurological activity will be suspended causing the person to die slowly.</span>
Answer:
The movement of tectonic plates was the force that most likely created this mountain.
Explanation: Hope this helps!
Answer
Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy. Fossil fuels like coal and oil contain carbon that plants pulled out of the atmosphere through photosynthesis over the span of many millions of years; we are returning that carbon to the atmosphere in just a few hundred years