In what years between the 1800 and 2000 did the two largest eruptions occur at mauna loa?

Do you guys know all the answers to this

In which area will soil formation be greatest? a a steep slope in a warm,b wet climate a flat area in a warm,c wet climate a north-facing area on a steep slope a flat area in a cold, d wet climate description

Based on the information in the graph, what can you conclude about humans in the world in general?