Tens of thousands of people were killed by as they demonstrated their desire for him to resign as president of their country.

a) zine el abidine ben ali
b) muammar gaddafi
c) muhammad bouazizi
d) bashar al-assad

bashar al-Assad

Explanation:

Thousands of people were assassinate as they bespeak their wish for Bashar al-Assad to step down as president  and for political reforms to be lay down. In the starting of revolutionary activities tens of thousands of Syrians were killed .In May 2011, the Syrian military responded with violent and killed many people.In June 2012, a UN official stated that the rebellion had undergo into a full-scale civil war.

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.

do you have a list of sources to choose from?