PDF chapter test TRY NOW

Fill in the blanks with the options given:
 
OxygenRenewableColourlessEcosphere
Climate860NitrogenVenus
OxygenBiosphereEnergyBlanket
HydrosphereAcidosisGlycolysisOutermost
 
1. Biosphere is also known as __________.
 
2. If carbon dioxide becomes excessive it leads to a condition known as __________.