<u>Answer:
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Subsistence farming is the level of crop output from a given level of input.
<u>Explanation:</u>
- Farmers grow "food crops" to feed themselves and their families. There will be little or no surplus trade as they get output for whatever input.
- This process is called subsistence agriculture or subsistence farming. They raise the livestock for their own’s use but not for any trade activities.
- For example: nomadic people raise a cow to provide milk to their own family.
- They give sufficient and necessary food for the cow an get the required quantity to suffice their family.
<u>ANSWER:</u>
The answer is A. If the structure of a building is built with earthquake-resistant materials, it does not affect the amount of destruction caused by earthquake vibrations.
<u>EXPLANATION:</u>
- Especially in the countries that are prone to an earthquake, houses and building should be carefully planned and built in order to withstand an earthquake.
- The bricks should be held in place with the right mortar. Also, the base of the building should be made stronger rather than the top floors.
- Steel-framed buildings and good pillared buildings also tend to survive powerful quakes and vibrations.
California, Hawaii, Oregon, Washington and Alaska all border the mountain region and are located in the Pacific.
evaporation is when a mass of water is hit by sunlight and some of it turns to a vapor. In the atmosphere, that vapor cools and the water molecules fuse with other water molecules, forming clouds. (condensation) When the clouds become full, the water precipitates onto land or into the ocean in the form of rain, sleet, snow or hail (precipitation).
