Explain why an action such as cleaning up the garbage in a park is not a sustainable action on its own. What else is needed along with such an action to make it sustainable?

Answer (d) the greenhouse effect is primarily caused by car and trucks;

Ibelieve it was because of the gas act in order to preserve fuel 

The shia sect of islam is primarily different from sunni islam in the belief that the first legitimate imam following muhammad was imam ali. unlike the three caliphs that succeeded muhammad, ali was part of muhammad's clan (related to him). major shia caliphates include the fatimid and safavid caliphates.  the answer will be option c. shia read more on