Answer:
d
Explanation:
how much energy is coming from the star per square meter per second, as measured on Earth. The apparent brightness of a star is described by a magnitude that is a positive number for most stars, but can be a negative number for, say, Venus.
A cold front is the transition zone where a cold air mass is replacing a warmer one, (They move more slowly than warm front's.) Others are Characteristics of cold front's and they move faster than warm.
Hope this helps<3
Ache of a sort• Attack of remorse• Bit of distress• Bit of guilt• Bit of guilt, say<span>• Brief pain.
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Igneous rock derives it's name from the Latin word ignis which means fire. It is formed when the magma after volcanic eruption gets cool and solidified either on the surface of earth crust or inside the earth crust. These rocks are characterized by their hardness. These rocks undergoes no chemical weathering but exhibit very low mechanical or physical weathering may occur. Therefore, hardness is the property which can be used to identify the origin of an igneous rock.
For a wind farm to be effective it needs to be in a place where there
is a wind speed of at least 4.5 m/s or greater, ideally in a location that has a
near constant flow of non-turbulent wind throughout the year with the least likelihood
of sudden powerful bursts of wind. The location should also has an access to electric
power transmission.
