Unit Test — Unit test Answers

After visiting a wastewater treatment plant, Shelley has a few questions.Which question can be answered through scientific investigation?

Pluto was removed from the list of planets because a planet is now defined as an object that: orbits the Sun.is large enough to have become round due to the force of its own gravity.dominates the neighborhood around its orbit.Pluto does not dominate its neighborhood.What is the most likely reason for changing the classification of Pluto?

The scatterplot shows an association between study time and quiz grades.

Which part of scientific design occurs when an experiment is conducted by more than one scientist to determine the validity of results?

Scientists develop new wind farms in a town that relies on oil fracking. Which statement describes an outcome in support of this change?