Problem: OPTIONS:
- electromagnetic energy
- mass
- Electrical energy
- gravitation
- electrical currents
- photosynthesis
- the Great Barrier Reef
- electricity
Q: Fact 1: Magnetism can cause objects to repel each other. Fact 2: Electrical currents cause magnetic fields. Given the two facts above, which of the following can cause objects to repel each other?
Answer: electrical currents
Problem: OPTIONS:
- Temperature
- decreases its bodily water
- gravitational weight
- kinetic energy
- gravitational height
- gravitational wave
- relocation
- magnetism
Q: Fact 1: The mass of an object causes the gravitational force exerted by that object. Fact 2: Weights A measure of the heaviness or mass of an object is the object's weight. Given the two facts above, the weight of an item causes its what?
Answer: gravitational weight
Problem: OPTIONS:
- gasoline concentrations
- Warm air moving into cold air
- Greenhouse gases
- treehouse gas concentrations
- movements in the earth's crust
- concentrated orange juices
- genetic diversity
- greenhouse gas concentrations
Q: Fact 1: Carbon dioxide concentrations in the air have increased over the last decade dramatically. Fact 2: Carbon dioxide is the primary greenhouse gas. Given the two facts above, what have increased over the last decade dramatically?
Answer:
greenhouse gas concentrations