<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>
No, it will not make white. Mixing light is different from mixing pigments. Paint is a pigment not light.
(Hope this helps!)
B. The oldest crust is closest to the mid-ocean ridge.
Choice D would be your answer
The growing or farming of marine plants or animals under controlled conditions is called aquaculture.
<h3>What is aquaculture?</h3>
Aquaculture is the farming of aquatic animals or plants, including breeding, raising and harvesting in different types of of water environments in controlled conditions.
Aquaculture includes the following:
- Mariculture - involves using seawater
- Fish Farming - the farming of fishes
- Algaculture: - involves the farming of algae.
In conclusion, the growing of marine organisms is called aquaculture.
Learn more about aquaculture at: brainly.com/question/9097474
#SPJ1
