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dolphi86 [110]
3 years ago
6

Some sixth-grade students are conducting a local survey. They want to find out what activities increased CO2 emissions in their

community within the last year. Ricardo came up with these questions for the survey. Which questions are appropriate for the assignment?
Biology
2 answers:
sdas [7]3 years ago
7 0
How many trees were cut down during the year?
How many new factories opened last year?
How many factories in the community use fossil fuels?
hope this helps you
goldfiish [28.3K]3 years ago
5 0

How many trees were cut down during the year?

How many new factories opened last year?

How many factories in the community use fossil fuels?

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Answer:

Properties Of Carbon :

Explanation:

Carbon:

Symbol: C

Electronic Configuration: 2 , 4

Valency : 4 (Tetra-valency)

Occurrence in nature →Earth's crust → 0.02% in the form of minerals like carbonates, coal, petroleum.

In atmosphere -0.03% in carbon dioxide is ( gaseous form)

Properties of carbon:

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  3. In diamond carbon atoms bonded together in tetrahedral lattice arrangement.
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  5. In Fullerenes ccarbon atoms are bonded together in spherical, tubular, or ellipsoidal forms.
  6. Carbon plays a major role in organic compounds.
  7. Carbon is a Tetravalency. (valency :4)
  8. So that  it is easily share the electrons so that  it gives a possibility of large number of compounds. Carbon compounds are also called as organic compounds. Carbon compounds are also called organic compounds.
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