The answer is False. Majority of the countries that produces large quantities of crude oil are found from the Persian Gulf and are in the Middle East. These crude oil producing countries are Bahrain, Iran, Iraq, Kuwait, Qatar, Saudi Aradia and United Arab of Emirates.
Most Europeans are employed in the mining industry.<span>
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Variations in air pressure from place to place are the principal cause of wind.
Answer:
a. Mass
Explanation:
The relation between the physical properties , luminosity and mass , is given by the formula -
L = M ^ 3.5
In which ,
L represents luminosity
and
M represents mass.
Hence , from the above formula ,
mass and luminosity are directly proportional to each other , i.e. ,
by decreasing the mass , the luminosity decreases
and by increasing the mass , the luminosity increases
higher luminosity means , higher temperature , and , in case the star has higher mass , its radius will also increase .
