Um can someone just help me with the first question so I have an idea of what to do...please

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.

What type of context clue you understand the meaning of  quandary?

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold