Q: Answer the following question given this paragraph: Most scientists agree that global warming is caused by more carbon dioxide in the atmosphere (see Figure below ). This increases the greenhouse effect. There is more carbon dioxide mainly because of the burning of fossil fuels. Destroying forests is another cause. With fewer forests, less carbon dioxide is removed from the atmosphere by photosynthesis. Q: The abundance of this substance in the atmosphere is what most scientist agree that is causing global warming? Choices: - argon - iron oxide - liquid dioxide - carbon dioxide A:
A: carbon dioxide

Q: Answer the following question given this paragraph: Most millipedes are slower than centipedes and feed on leaf litter and loose organic material. They can be distinguished from centipedes by looking at the number of legs per body segment. Millipedes have two pairs of legs per body segment, while centipedes have a single pair of legs per body segment. Millipedes protect their eggs from predators by using a nest of hard soil. Millipedes are not poisonous. They lack the pair of fangs containing a poison gland that centipedes have. Q: How many pairs of legs does a millipede have per body segment? Choices: - eight - one - four - two A:
A: two

Q: Answer the following question given this paragraph: The nucleus contains the genetic material of the cell. Q: What organelle contains the genetic material of the cell? Choices: - gamete - fetus - meiosis - nucleus A:
A: nucleus

Q: Answer the following question given this paragraph: Atoms of different elements differ in size, mass, and other properties. Q: Different elements differ in the size, mass, and other properties of what fundamental structures? Choices: - ions - compounds - particles - atoms A:
A: atoms