Q: Fact 1: Veins generally carry deoxygenated blood. Fact 2: Deoxygenated blood is heavy with carbon dioxide. Given the two facts above, what does blood in the veins have a lot of?

OPTIONS:
- Carbon dioxide
- Carbon monoxide
- h2o
- Energy.
- Air
- kinetic energy
- Decibels
- Chemical energy

A: Carbon dioxide

input: OPTIONS:
- lake
- ice
- crust
- sky
- rivers
- nektar
- Weight
- rock Now, answer this question: Fact 1: When water freezes , that water expands. Fact 2: Water in the rocks pushes out when it freezes thus causing the rocks to break. Given the two facts above, what does frozen water break?
A:
output: rock

Fact 1: Most salamanders use their sense of smell to find a mate. Fact 2: Olfaction is the sense of smell. Given the two facts above, what do most salamanders use to find a mate?

OPTIONS:
- olfaction
- sound
- seduction
- fur and fat
- heat energy
- air
- environment
- water

Answer: olfaction

Problem: OPTIONS:
- Evaporation
- compound of hydrogen oxygen
- kinetic energy
- antifreeze
- oil changes
- igniting fuel and oxidiser
- using the turn signal
- oxidation reaction
Q: Fact 1: Acar engine usually converts gasoline into motion and heat through combustion. Fact 2: Combustion is a type of oxidation reaction. Given the two facts above, how does a car engine usually convert gasoline into motion and heat?
Answer: oxidation reaction

Problem:OPTIONS:
- hydrogen and oxygen
- Chemical energy
- oxygen and methane
- critical organs
- sense organs
- hydrogen and helium
- light and dark
- Organic compounds

Fact 1: Animals require water for survival. Fact 2: Hydrogen and oxygen create water. Given the two facts above, which are required for animal survival?
****
A: hydrogen and oxygen

Problem:OPTIONS:
- harmful substances
- Transplanted organs
- desire
- an area swollen with pus
- death
- pain
- colors of the spectrum
- Contaminated wounds

Fact 1: Antigens are found on cancer cells and the cells of transplanted organs. Fact 2: Anything that can trigger an immune response is called an antigen. Given the two facts above, what can trigger immune response?
****
A:
Transplanted organs