Battles over succession (C) contributed to the fall of Songhai. Al-mansur in 1590 took advantage of the recent civil strife in Songali and sent army to conquer soghai and also to control trans saharan trade route. After the the Songai was defeated the empire collapsed.
Specific heat of water is higher than that of land. That means the amount of solar energy required to heat water will be more than that of land. So, when same mass of water and land are exposed to solar energy water would require more time to heat up than land. So water heats up to a lower temperature than land.
initiate laws and hold referendums on existing laws
