input: OPTIONS:
- evaporation
- burning fossil fuels
- our nearest star
- rain
- electromagnetic energy
- nuclear fusion
- heat energy
- magma Now, answer this question: Fact 1: Burning fossil fuels increases the carbon in the atmosphere. Fact 2: Increased atmospheric carbon dioxide increases greenhouse effect and warms the earth. Given the two facts above, what can warm the earth?
A:
output: burning fossil fuels

Fact 1: Lakes are generally bigger and deeper than ponds. Fact 2: Lake Trout Lake Trout fishing is good in Loonhaunt and Pipestone Lakes. Given the two facts above, what is generally bigger and deeper than ponds?

OPTIONS:
- storing water
- deltas
- puddles
- Loonhaunt
- body water
- droplets
- loose soil
- bottled water

Answer: Loonhaunt

Problem: OPTIONS:
- Most plants
- Primary producers
- engines
- circulatory systems
- organisms
- dirt
- heterotrophs
- solar panels
Q: Fact 1: Photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves. Fact 2: Primary producers convert solar energy into chemical energy. Given the two facts above, what utilize photosynthesis for chemical energy?
Answer: Primary producers

Problem:OPTIONS:
- glass
- motors
- neurons
- power
- copper
- sweat
- forces
- keratin

Fact 1: Sweat is used for adjusting to hot temperatures by some animals. Fact 2: Adjusts controls to regulate temperature and humidity of animals' quarters. Given the two facts above, what is used to adjust controls to regulate temperature?
****
A: sweat

Fact 1: Abalance is used for measuring mass of an object. Fact 2: Mass Amount of matter an object contains. Given the two facts above, what can be used to measure the amount of matter an object contains?
OPTIONS:
- Joules
- density
- Protractor
- Thermometer
- energy
- Balance
- Accelerometer
- microscope
Balance

Fact 1: Adoorbell converts electrical energy into sound. Fact 2: Unwanted sound is noise . Given the two facts above, which of the following converts electrical energy into noise?
OPTIONS:
- a light bulb
- organ
- a motor
- a doorbell
- a generator
- vehicles
- sensory neurons
- engines

Answer:
a doorbell