Carbon comes from stones, plastics, and other inorganic items.
Explanation:
Carbon belongs to the fourth group on the periodic table with an atomic number of 6.
It is an important compound having three allotropic forms which are graphite, diamond and amorphous carbon.
Carbon exists mostly in solid forms and reacts with other atoms in combined state.
- Carbon is found in stone for example limestone and dolomite.
- Carbon makes up plastic because they are derived from hydrocarbons.
- Carbon also exists in other inorganic forms like diamond and graphite.
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Answer:
Humans need certain resources to survive at subsistence level -- most commonly air, food, water and usually some kind of shelter. A sustainable habitat is one in which supply of and demand for these resources are balanced.
Answer:
two lithospheric plates collide against each other. The zone of collision may undergo crumpling and folding, and folded mountains may emerge (orogenic collision).
Explanation:
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Answer:
Option (3)
Explanation:
The Mercator projection is usually defined as the cylindrical map projection that is mainly used for the purpose of navigation while traveling in the vast oceans. The main drawback of using this map projection is that the size of the objects gets distorted as the latitude increases from the equator to the polar regions.
This map projection is very commonly used for navigation purposes as any straight line that is drawn on it remains a line of constant and true bearings. This means that the angles are perfect and it does not show any error, due to which this chart is suitable for navigation in the oceans.
Thus, the correct answer is option (3).
for winter solstice;
maximum angle of the sun ~ 23.5 degrees north of the equator
Length of day ~ 8 hours and 46 minutes
spring equinox;
maximum angle of the sun ~ 51 degrees
length of day ~ 12 hours
summer solstice;
maximum angle of the sun ~ 23.5 degrees
length of day ~ 14 hours 51 minutes
fall equinox
maximum angle of the sun ~ 51 degrees
length of day ~ 12 hours
these are for the latitude 0
