Alice decides to build a functional scale model to see if it can reduce the amount of fertilizer entering the river. after explaining her assignment to the farm's owner, she is granted permission to design and test her model at the site. which design would best fulfill alice's assignment?

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.

How long does it take a skateboarder going 6.0 m/s to come to a complete stop if she slows down at a rate of 2.0 m/s^2

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.