Why would variations in renewable energy supplies become a problem when renewable energy supplies make up 40% of our total energy use?
A)
Beyond about 40%, the natural variation will cause the technologies to not be cost effective.
B)
Beyond about 40%, the natural variation will produce detrimental changes to the environment.
C)
Beyond about 40%, the natural variation will start to cause diseases that affect both man and other organisms.
D)
Beyond about 40%, the natural variation will cause climate change.
E)
Beyond about 40%, the natural variation will produce shortages in energy supply.

Read the paragraph. we didn’t enjoy our food when we went out to eat, but our friend nelson said that the restaurant normally served some of the best italian food in town. in fact, he said it was one of his favorite places to eat. he said that we should return and give it a second chance. what word best replaces “said” in the last sentence? insisted announced exclaimed shouted

Compare the objectives and strategies of organized labor and populists for challenging the prevailing economic beliefs and practices of the ''gilded age.''

The following table lists the birth rate, death rate, and net migration rate for egypt over the past 20 years. on a coordinate plane, plot the birth rate data and death rate data for egypt. clearly, show each data point and label each curve. be sure to label the graph and axes. save a copy of your graph. then answer the following questions: (14 points) a. what was the annual growth rate for egypt in 1990? what is the estimated annual growth rate in 2010? be sure to show your work for each answer. b. where does egypt most likely fall on the demographic transition model? explain your answer using data from the table. describe two changes within egyptian society that would likely be necessary for egypt to transition to the next stage in the model. c. assuming egypt’s current birth rate, death rate, and net migration rate trends continue, what will the country’s annual growth rate likely be in 2030? if this growth rate is accurate, what would its doubling time be in 2030?