The most abundant element in the human body is oxygen
5. The answer is D. Non-renewable resources lay be cheap, but they release harmful carbon dioxide, which pollutes the environment. And eventually, they will run out. They are, as the name suggests, non-renewable.
6. The answer is A. Renewable resources are harder and more expensive to harvest, but they are unlimited and cause little to no harm to the environment, depending what resource you are using.
7. The answer is A. Particular renewable resources ( i.e sunlight or geothermal energy) are unreliable and can only be found in the right places under the right conditions (i.e on a sunny day or a geyser). They're also more expensive since they're harder to access/convert into electricity.
8. The correct answers are D and E.
Technology helps us predict future problems and solve them before they even happen, and things like solar panels and dams help us use alternative energy, which is much better for the environment than things like coal or oil.
9. The correct answers are A and D. Biodiesel is made from various oils and animal fats (unwanted waste), and it is renewable.
10. The correct answer is A. Biodiesel is more expensive to make than regular diesel, and more facilities would have to be built.
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The Auricle or Pinna is the visible curvy part which trap sound to be received into the ear canal which is a passage way for sound until it reaches the ear drum which is a piece of tightly stretched skin and the end of the ear canal. The sound waves vibrate the skin which moves the stirrup, anvil and hammer or altogether known as the ossicles. The ossicles' movement the cochlea which has many tiny hairs. Nerves in the hairs pick up the movement which then gets turned into electrical pulses and sent up through the brain via the auditory nerve to be interpreted.
The standard unit of radiation related to biological hazards is known as the Roentgen.
<span> D. In a forward-biased setup, large numbers of charge carriers will be pulled across the </span>junction<span> and result in a large current.</span>
