In both types of reactions, new substances are formed and there are changes in energy. However, endothermic reactions absorb energy, whereas exothermic reactions release energy. Reteach Change the boldface sentences into questions, and call on students to answer them.
The average monthly cell phone bill has soared in recent years to well over $100. A study earlier this year found that Verizon (VZ) was the most expensive carrier, with an average customer bill of $148 a month. Sprint (S) and AT&T (T) weren't that far behind, and T-Mobile (TMUS) was the least expensive of the Big Four carriers at $120.
Your cellphone plan doesn't have to cost upward of $100 each month. By Holly Johnson. + More. The average monthly cellphone bill from smartphone giant Verizon Wireless was a staggering $148 per month in the fourth quarter of 2013, according to recent research. Ting also lets you add family members to your plan for only $6 per device, though they must be Sprint devices. 2  Airvoice Wireless: Airvoice offers talk, text and data in an a la carte format. 3  For as low as $10 per month, anyone can get a plan with 250 minutes of talk and 500 text messages.