Q: Fact 1: Erosion causes a river to become deeper and wider. Fact 2: Fertile topsoil is then lost in erosion. Given the two facts above, deepening rivers cause?

OPTIONS:
- relocation
- the loss of topsoil
- Plant growth is reduced
- to move people
- Physical weathering
- forest is destroyed
- Water expanding
- water conservation

A: the loss of topsoil

input: OPTIONS:
- frontal zones
- Pollution
- not cells
- Allergies
- bacteria
- Leptospirosis
- rays or beams
- Pesticides Now, answer this question: Fact 1: Viruses are not cells. Fact 2: Viruses Viruses are difficult to classify. Given the two facts above, difficult things to classify are what?
A:
output: not cells

Fact 1: When a cooler object touches a warmer object , thermal conduction occurs. Fact 2: Heat sink materials are chosen for their high thermal conductivity. Given the two facts above, what is an example of an object designed to be cool?

OPTIONS:
- a prism
- cold hands
- storing water
- heat sink
- satellites
- naturally occurring ice
- sweating
- heater

Answer: heat sink

Problem: OPTIONS:
- bacteria
- rice
- amphibians
- organisms
- Frogs
- trees
- humans
- animals
Q: Fact 1: An animal usually requires a warm body temperature for survival. Fact 2: Squirrels hide and sleep in a secret warm place all winter. Given the two facts above, what requires hiding and sleeping for survival?
Answer: animals

Problem:OPTIONS:
- bacteria
- chemicals
- oxygen
- sodium
- vitamin C
- glucose
- a solute
- a hazard

Fact 1: Running water is better able to dissolve oxygen and nutrients than standing water. Fact 2: Large, warm rivers hold populations but few occur in cold running water. Given the two facts above, rivers easily dissolve nutrients and:?
****
A: oxygen

Problem:OPTIONS:
- directions
- patterns
- Joules
- similar
- photons
- an object
- destinations
- colors

Fact 1: Arainbow is formed by refraction of light by separating light into all different colors. Fact 2: After the storm, a rainbow appears. Given the two facts above, after a storm refraction of light occurs where the light is split into all different what?
****
A:
colors