Answer: oxygen and silicone. The crust consists of tectonic plates (in relative motion one from another) and has 5–70 km (~3–44 miles) in depth. The most abundant elements of this layer are: oxygen-46.6 percent by weight; silicon-27.7 percent; aluminum-8.1 percent; iron-5 percent.
Explanation:
<span>Since fewer workers are available to support the economy in a country with a declining population, industrial and business production is also declining so countries with declining population offer jobs for foreigners to sustain their economy and by providing work for other countries especially 3rd world countries</span>
Answer:
It's the D
Explanation:
Political boundaries can't be seen directly,
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Oman is a country. i believe. just google it.