Earth’s magnetic field is caused by convection currents in Earth’s .
A. crust
B. outer core
C. inner core

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted