Answer:
the long term, the U.S. standard of living has improved. Still, there are some vital numbers to watch. After five years of the poverty rate going down in the U.S., it rose in 2020. The official U.S. poverty rate was 10.5% in 2019, but in 2020 it was up to 11.4%.
They are used as radio waves, infrared radiation, visible light.
D) selecting random sample allows for a more representative sample in a survey.
Answer:
p180
Explanation:
i took the test and got it right
