Answer: industrial emissions and motor vehicles smokestacks fuel combustion
Explanation: All of these are anthropogenic causes of acid rain.
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Cells are limited in size by their surface area and volume ratio which means that when cells get so large, there is a limit that they can no longer obtain enough oxygen and nutrients. This process is involved in cell growth.
Your answer will be 4, our magnetic field.
Earth itself is largely protected from the solar wind by its magnetic field. However, some of the charged particles are trapped in the Van Allen radiation belt.
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Answer:
They are classified by altitude and the patterns they form.
Explanation:
Clouds are classified by their altitude in the troposphere. Some clouds are found beyond the troposphere. The classification as surface level, low, middle, high and multi-level. The multi-level are massive storms clouds, known as cumulonimbus that rise from the low altitudes to the top of the troposphere. A surface cloud can be classified as fog or mist. The low level can have stratus clouds. The middle level can contain nimbostratus and the high level can contain cirrus clouds. The names are given based on their altitude but the way in which their form.
The correct answer would be B. Nigeria
