Q: What process provides over 99% of the energy supply for life on earth? Choices: - gases - nutrients - Carbon - photosynthesis A:
photosynthesis

Q: What is the most important factor in determining the type of soil that forms in a particular area? Choices: - landscape - altitude - migration - climate A:
climate

Q: Hiv is a retrovirus, which means it reverse transcribes its rna genome into what? Choices: - atp - ribosomes - amino acid chains - dna A:
dna

Q: Parenchymal, collenchymal, and sclerenchymal cells are associated with what types of living things? Choices: - primates - parasites - fungi - plants A:
plants