*Question*
Q: Mixture of metals is called what? Choices: - fusion - amalgm - compound - alloy A:
**Answer**
alloy

*Question*
Q: Counterweights and diagonal steel beams are used in buildings to hold down what? Choices: - traction - inertia - gravity - sway A:
**Answer**
sway

*Question*
Q: All eukaryotic cells have mitochondria, but not all eukaryotic cells have what? Choices: - ribosomes - golgi bodies - cytoplasm - chloroplasts A:
**Answer**
chloroplasts

*Question*
Q: What group of animals has permeable skin that makes them vulnerable to pollution? Choices: - fish - mammals - reptiles - amphibians A:
**Answer**
amphibians