b. At higher elevations, it would take longer to hard boil an egg, because there is a lower boiling point, so the egg is boiling in water at a lower temperature.
Explanation:
The best answer from the given choices is that, at higher elevations, it would take longer to hard boil an egg, because there is a lower boiling point,
so the egg is boiling in water at a lower temperature.
- Boiling point is simply the pressure at which the vapor pressure of a liquid is equal to the atmospheric pressure.
- At higher elevations, the atmospheric pressure is low and it would require little heat to boil water and turn it into vapor.
- To hard boil an egg, we need elevated temperature.
- But since water to use hard boiling has an unusually low temperature, it becomes more difficult since much of the water turns into vapor.
- This is why at higher elevations, it takes a longer time to hard boil eggs.
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When two tectonic plates push towards each other, one continental, and another oceanic, the oceanic plate is subducting under the continental plate. This is due to the fact that the oceanic plates's crust is weaker and has lesser density, while the continental is stronger and has bigger density, so when pushing against each other, the weaker, less dense, oceanic plate can not oppose the stronger, more dense, continental plate and slowly subducts under it.
The countries that adopt the International Model Forest Program will benefit from sustainable forest management.
Explanation:
The International Model Forest Program is a program that promotes sustainable forest management, thus the countries that adopt benefit from developing sustainable forest management. This is excellent from several different perspectives, such as:
- recreation
- economy
- ecology
- biodiversity
If the forests are sustainable, than it means that they will be able to prosper, thus maintaining their well being, as well as the well being of the communities of animals and plants in them. Also, this means that there can be economic benefits without destroying the forests, and this can be done by planting new saplings on the places were trees have been cut, and also by gathering forest fruits, herbs, and mushrooms.
The recreation part is too very important. The people will have a beautiful place in nature for recreation, where they can relax and enjoy, have fresh air, and educate themselves about nature first hand.
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B. Oil, water can be renewed but oil cannot
