Q: Fact 1: Erosion causes a river to become deeper and wider. Fact 2: Major rivers include the Severn, Thames and Trent. Given the two facts above, what gets deeper and wide from erosion? | OPTIONS:
- meters
- form sand
- soil
- Thames
- mountains
- flooding
- Roads
- Sediment
A: Thames

Q: Fact 1: Ameasuring cup is used for measuring the volume of substances. Fact 2: For example, water is a substance. Given the two facts above, what can determine the volume of water? | OPTIONS:
- belt size
- watershed
- evaporation
- rulers
- mouth of rivers
- streams
- measuring tape
- measuring cups
A: measuring cups

Q: Fact 1: Skin is used for protecting the body from harmful substances. Fact 2: Skin is a protective organ. Given the two facts above, what does skin help keep out? | OPTIONS:
- medicine
- sun's heat
- heat
- hurtful words
- a pathogens
- parasites
- harmful substances
- Echinoderm.
A: harmful substances

Q: Fact 1: Producers are organisms that produce food for themselves and other organisms. Fact 2: Autotrophs are organisms that can make their own food. Given the two facts above, how does an autotroph get food? | OPTIONS:
- during the day
- They have thick fur
- direct energy
- it needs them
- Veins and arteries.
- hydrate their cells
- Chemical energy
- It produces it
A: It produces it