Problem: OPTIONS:
- Evaporation of water
- basic building blocks of life
- flow of electrons
- Veins and arteries.
- electrons separatin from atoms
- Something made from fermented ricce
- circulatory systems
- heat production
Q: Fact 1: Plasma is formed by electrons separating from atoms in stars. Fact 2: Plasma Is the liquid portion of the blood. Given the two facts above, what is the liquid portion of the blood formed by?
Answer: electrons separatin from atoms
Problem: OPTIONS:
- Organic compounds
- dead dreams
- a solute
- a hydraulic system
- dead organisms
- ice
- rocks
- hydrogen and oxygen
Q: Fact 1: Fossil fuels are formed from dead organisms over time. Fact 2: Like coal, petroleum is a fossil fuel. Given the two facts above, what forms petroleum over time?
Answer: dead organisms
Problem: OPTIONS:
- environment
- mutations
- competition
- relocation
- Darwin
- evolutionary development
- root growth
- research
Q: Fact 1: Mutations are essential for evolution to occur. Fact 2: Natural selection is the mechanism of evolution. Given the two facts above, what enables natural selection to occur?
Answer:
mutations