Answer:
Sugar,coffee powder, powdered drink mixes,bouillon cubes, corn starch,flour,cornmeal food coloring.
Explanation:
Sampling is the process of s<u>electing individuals or smaller groups from a larger population</u> to act as <u>representatives of that population.</u> This is used to make statistical assumptions and infer the traits of the population as a whole.
Sampling techniques can be divided into many categories and subcategories. There are four main forms of sampling, which include:
- Simple random sampling.
- Systematic sampling
- Stratified sampling
- Cluster sampling
Each of these can then be divided further.
Sampling techniques can sometimes be random, <u>intended to avoid biased choices that benefit the achievement of the desired result</u> and therefore render the conclusion inaccurate. This is the biggest weakness in sampling methods. Errors in sampling can lead to <u>false assumptions and misleading data. </u>
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<span>Energy required for life mostly comes from the sun (solar energy).
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I'm pretty sure it would be refer to the variety of plants and animals
The reasons coral reefs are disappearing is;
- Rising sea levels
- Acidifying oceans
- Warmer oceans
- Pollution
Explanation:
Due to global warming, oceans are getting warmer. The warming of oceans means dissolve more carbon dioxide in the atmosphere the oxygen. This makes the water less oxygenated for corals. The increased amount of carbon dioxide dissolved also makes the waters slightly more acidic. Corals are very sensitive to changes in their environment and hence the coral bleaching phenomenon around the world.
Due to climate change, the levels of oceans are rising as the polar caps are melting at faster rates. This means that corals are getting submerged and therefore are not receiving the requisite amount of sunlight needed at shallower levels. This is exacerbated by the problem of pollution. The ocean water is no longer clear enough to allow enough sunlight to penetrate in the photic zones without being largely diffused by the pollutants.
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For more on coral bleaching check out;
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