Q: What type of map shows the elevation and features in an area? Choices: - geographic - meteorological - gradient - topographic A:
topographic

Q: What has the smallest, lightest atoms of all the elements and is colorless, odorless, tasteless and nontoxic, but highly flammable in its pure state? Choices: - helium - magnesium - barium - hydrogen A:
hydrogen

Q: The type of what dictates how far it can penetrate into matter, such as lead or human flesh? Choices: - insulation - evaporation - specific gravity - radiation A:
radiation

Q: What are organelles made of protein and ribosomal rna (rrna)? Choices: - electrons - carbons - chromosomes - ribosomes A:
ribosomes