Rivers that have developed over a long period of time are found in wide valleys with flat, low-lying bottoms. these valleys were created by the removal of rock and soil through the process of

Aperson who uses a computer at a desk does not have to worry about safety in the workplace. true or false

9. wind power creates pollution. water air soil noise

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.