Explain (using 4-5 sentences) some difficulties that could arise if there were no such thing as standard time (in other words, why is there a need for a global clock?). Please help I Can't think of my very own opinion on this Question.

True exact date for the withdrawal of american combat troops in iraq was set for august 31st 1. 2011 2. 2010 3. 2012

Pl hell mafter the civil war which president was called a "carpetbagger"? a.lincolnb.johnsonb. grant

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.