In the reaction c + 02co2, 18 g of carbon react with oxygen to produce 72 g of carbon dioxide. what mass of oxyger would be needed in the reaction?

18g

54g

72g

90g

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

Compare the partition of southeast asia to the partition of africa how was it similar

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution