This seems rather vague, the question is most likely referring to parasitic relationships.<span />
Correct option: <span>Place objects within the visual field
</span>An <span>ischemic stroke </span><span>in the left side of the brain caused hemianopia to this patient. Hemianopsia is a decreased vision or blindness, in this case, left half of the visual field.
Can also be caused by brain tumor and trauma.
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At this point in time, we have yet to reach the carrying capacity for humans. So yes there is a carrying capacity for humans we just haven't reach it yet.
The pulmonary veins are the exceptions.
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The pulmonary veins are the veins that are part of pulmonary circulation and those veins transfer oxygenated blood from the lungs to the heart. <span> Two veins, one from each lung transport the blood to the </span><span>left atrium<span> of the heart.</span></span></span>
