What conclusion can be drawn from the author’s use of the word pollution in paragraph 4?

Explain how earth is like a giant bar magnet. how is our magnetic field made?

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct

Dan runs a busy desktop-publishing company. his company want to increase its exposure, so it runs a new a new promotion each week. the tool dan most likely choses to publicize this is a promotion is a