the microwaves in a microwave oven are produced in a special tube called a magnetron. the electrons orbit the magnetic field at 2.4 ghz, and as they do so they emit 2.4 ghz electromagnetic waves.

Choose the best option to complete the statement. the purpose of the first phrase of the u. s. constitution, "we the people," is to demonstrate the power of the president to the people show the people that the government leaders are in charge show that the people created the government and that it exists for the people discourage enemihoees of the people from trying to interfere with our country

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

How do you work out 21.3-8= show your working. plz