Answer:
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air.
Assuming that ambulances carry blood for purposes of
transfusion, the blood type that I would expect to be in greatest supply in an
ambulance would be Blood Type O. Blood Type O is dubbed the universal donor (or
General donor) because they have there are neither A nor B antigens.
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Answer:
True
Explanation:
Energy sees a 90% decrease as it moves up trophic levels because energy is lost as metabolic heat during the transfer of energy.
<span>Permeable
to ions and organic molecules and controls the movement of substances
in and out of cells. Protects the cell from its surroundings.
</span>hope this helps
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