Read this excerpt from "A Student's Guide to Global Climate Change."
Climate change will lead to more hot days and more heat waves. As a result, people will need to use more air conditioning to stay cool. As people use more air conditioning, electricity shortages and blackouts could increase. Because most electricity is currently produced by burning fossil fuels, using more electricity to run air conditioners will also add more greenhouse gases to the atmosphere.
What problem does the excerpt present?

Read the corporate document. all employees of cozy clothes ltd. are entitled to a 40 percent discount on regularly priced merchandise and a 20 percent discount on sale-priced merchandise. to apply this discount to an employee purchase, follow this procedure: 1. enter the purchaser’s employee id number into the cash register when prompted. 2. apply the appropriate discount. 3. apply sales tax. 4. print an additional copy of the sales receipt. initial both copies. 5. add the additional copy to the register drawer to be included with the nightly closeout report. what is the purpose of the numbering in this document? to indicate steps in a process to emphasize supporting ideas to signal the text’s main ideas to show the meaning of policies