Q: Answer the question

Gregor Mendel was the first to show that organisms had traits that are passed on from parents to the next generation. In order for the scientific community to accept Mendel's discovery, others had to
OPTIONS:
- invent the microscope.
- read through his journals.
- duplicate the results of his experiments.
- invest money in his scientific investigations.

A: duplicate the results of his experiments.

Q: Answer the question

A homeowner wants to use a renewable resource to heat the home. Which resource would be the best to use?
OPTIONS:
- coal
- gas
- oil
- solar

A: solar

Q: Answer the question

Water is a very important part of the physical weathering of rock. Which of these properties of water is most important in causing some of the physical weathering of rock?
OPTIONS:
- Water is a liquid at room temperature.
- Water can contain different minerals.
- Water expands when it freezes.
- Water dissolves many chemicals.

A:
Water expands when it freezes.