On a class field trip to the mountains, you and your friends are using a compass to determine the geography of the area. Suddenly, the needle of the compass wiggles oddly and changes direction to point at a nearby boulder. As you continue walking away from the boulder the needle eventually points north again. What could have caused the needle to stop pointing north?

True or falseaccording to the fifth amendment people cannot be tried for the same exact crime more than once

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.

In 1999, the u.s. announced trade sanctions worth $116.8 million, targeting goods from france, germany, italy and denmark. the sanctions were in retaliation for a ban on u.s. hormone-treated beef by which organization?