<span>The rare earth elements include the lanthanide series, scandium and yttrium. They are a set of seventeen chemical elements in the periodic table. They really are not that rare but they occur together in nature and are hard to separate from one another.</span>
Answer:
A. Loam soil is best for planting
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Answer:
2 significant figures.
Explanation:
Significant Figures Rules:
1. Anything that isn't a zero is a sig fig
2. If a decimal point comes after the ones digit, everything before the decimal is counted as sig fig (i.e 2000. would be 4 sig figs).
3. If we are dealing with small decimals, the zero before and after the decimal (i.e 0.002) is a placeholder and is not counted as sig figs.
4. Any zeros between 2 significant digits is considered in sig figs (i.e 2002 would be 4 sig figs)
Since we are dealing with 87000, we see that we have no decimal point. That means our only sig figs are 8 and 7, which equals 2 sig figs.
ANSWER: Having low internal demand
EXPLANATION: The economic growth of a country depends upon the goods produced and sold in the country and across borders. If the country is having low internal demands, it will be a loss for the government as there will be less production of goods and services. The government will either have to depend on exports which on one hand have limitations or will have to stop producing goods and services for citizens. This will in turn affect the country in many ways like unemployment, less money circulation etc.
Answer:
Explanation:
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Chromium has +2, +3 and +6 as the oxidation states, thus, each chromium oxide turns out into:
Their names are hypochromous oxide or chromium monoxide, chromous oxide or dichromium trioxide and chromic oxide or chromium trioxide.
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