The iron is attracted to magnet since it is highly magnetic. Sand is not a magnetic material therefore not attracted by the magnet. So the mixture is separated
The primary ethical guidelines that apply to this experiment are those of human experimentation.
The use of humans as subjects of experimentation would seem to demean their human dignity. The issue of abuse of the human subjects and also the prospects of the clinical trial going wrong (such as causing an adverse effect on the subjects) also raise ethical challenges even when the subjects are volunteers. In case of a clinical error, what is the right compensation?
Living things can survive in the water beneath a lake's frozen surface/
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-Payshence
Forests and other green plants uses carbon dioxide in photosynthesis thus lowering its amount in the atmosphere. In assumption, we can claim that in the ice ages, the low level temperatures may have caused the carbon dioxide levels to neutralize over these phenomenons, also to note that there were less oxygen-breathing organisms and higher carbon-dioxide dependent performing photosynthesis.
Answer:Biological Surplus is the amount of animals in a given population that are "above" the carrying capacity.
Explanation:
