Q: Fact 1: Erosion of soil has a negative impact on the environment. Fact 2: Forest environments collapse. Given the two facts above, what has a negative impact on forests?

OPTIONS:
- local fauna
- local flora
- humans disturb it
- deforestation
- erosion of soil
- smallpox
- local wildlife
- vehicles

A: erosion of soil

Q: Fact 1: Fungi have special structures for penetrating a host. Fact 2: Host tissue penetration occurs to the point of vascular connectivity. Given the two facts above, what can be part of invading a host?

OPTIONS:
- It helps them survive
- Something that causes allergies
- Movement of an air mass
- energy of moving objects
- vascular conncectivity
- harmful substances
- Leptospirosis
- competing for resources

A: vascular conncectivity

Q: Fact 1: Hydrogen bonds cause water to expand when it freezes. Fact 2: Water is made up of H2O molecules. Given the two facts above, what bonds cause H2O to expand when freezing?

OPTIONS:
- Covalent
- Hydrogen
- Metallic
- an ion
- Heat energy
- Ionic
- heat
- an anion

A: Hydrogen

Q: Fact 1: Chlorophyll is used for absorbing light energy by plants. Fact 2: Fungi do not contain chlorophyll. Given the two facts above, what can fungi not do?

OPTIONS:
- It remains dormant
- They may not survive.
- aerobic capacity
- Move to another area
- duplicate itself
- It becomes dormant
- single-celled organisms
- absorb light energy

A:
absorb light energy