What best describes objects orbiting in the Kuiper Belt? OPTIONS:
- metallic
- rocky
- hot
- icy
A: icy

Which cell structure carries out a function for a cell that is similar to the function that bark carries out for a tree? OPTIONS:
- cell wall
- nucleus
- chloroplast
- mitochondrion
A: cell wall

The Piedmont and Coastal Plains regions in Maryland produce crops such as corn, soybeans, wheat, tobacco, tomatoes, and apples. Which environmental factor most likely influences which crops are grown in these regions? OPTIONS:
- soil quality
- wind speeds
- bird migration
- water temperature
A: soil quality

Which force produces energy as heat? OPTIONS:
- pull
- gravity
- friction
- magnetic
A:
friction