A calcium bromide compound is represented by which formula?
Ca2Br
Ca2Br2
CaBr
CaBr2

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat