Answer:Volcanoes erupt when molten rock called magma rises to the surface. Magma is formed when the earth's mantle melts. ... Runny magma erupts through openings or vents in the earth's crust before flowing onto its surface as lava. If magma is thick, gas bubbles cannot easily escape and pressure builds up as the magma rises.
Explanation:
I studied it
<span>February 29 is a date that usually occurs every four years, and is called a leap day. This day is added to the calender in leap years as a measure, because the earth doesnt orbit around the sun in exactly 365 days (1 year). The gregorian calendar is a modification of the julian calender first used by the romans. </span>
Biosphere reprezents all the living forms
geosphere includes bisphere, hidrosphere and atmosphere
hydrosphere represents the the water on Earth
atmosphere is the gas on Earth, so the correct answer is D - ATMOSPHERE
Answer:
B. transfer the men to the battlefield
