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Basically because your skin has several layers to it (see link, below), and the layer that has the blood vessels capable of bleeding in it is further down than a superficial scrape would affect.
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ATP - Adenosine Tri-phosphate. The element is an energy source that fuels many of the biological processes in both humans and other organisms, even plants. The most important element is the tri-phosphate.
Answer:
Mahir noticed the plant he watered grew taller than those with less water
Explanation:in the process of the scientific method,an observation about an occurrence happens first before an hypothesis is formulated and tested .
Observation usually involves the the description of a phenomenon.
Answer: The activation energy is: the energy needed to get a reaction started
Explanation: this is dealing with enzymes and their reactions
Answer: An object with twice the mass of another object will weigh twice as much is the statement accurately describes the relationship between mass and weight.
Hope it helps you if not sorry
Explanation: A.Mass is an objects weight multiplied by the amount of gravitational force acting upon the object
