Q: Fact 1: Ozone depletion results in higher levels of UV radiation reaching Earth. Fact 2: Ozone depletion in the stratosphere is a global problem . Given the two facts above, stratosphere composition causes higher levels of what reaching Earth?

OPTIONS:
- aliens
- dust
- scattered light
- photons
- emissions
- ozone
- UV radiation
- sunlight

A: UV radiation

Q: Fact 1: Bone provides protection for soft tissues and internal organs. Fact 2: For example the skull bones protect the brain, and the ribs protect the thoracic organs. Given the two facts above, what protects internal organs?

OPTIONS:
- Feet
- Heart
- metal
- Masks
- fungi
- fur
- Teeth
- Ribs

A: Ribs

Q: Fact 1: Amphibians have permeable skin that easily absorbs substances from the environment. Fact 2: All frogs are amphibians. Given the two facts above, what has permeable skin that easily absorbs substances from the environment?

OPTIONS:
- ferns
- a fish
- humans
- animals
- scales
- bats
- skin cells
- frogs

A: frogs

Q: Fact 1: Organisms that live in marine biomes must be adapted to the salt in the water. Fact 2: Most of the water on the planet is salt water in the oceans. Given the two facts above, organisms that live in marine biomes must be adapted to most of the what on the planet?

OPTIONS:
- water
- liquid
- Light
- Energy.
- growth
- Winter
- energy
- heat

A:
water