Which of the following represents the correct neutralization reaction of hydrobromic acid and calcium hydroxide? (2 points)

Question 4 options:

1)

HBr + Ca(OH) 2 yields CaBr2 + H2O

2)

HBr + CaOH yields CaH + BrO

3)

2 HBr + Ca(OH) 2 yields CaBr2 + 2 H2O

4)

HBr + Ca(OH) 2 yields CaH2 + Br2O

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.