If electrical currents can cause objects to repel each other, then which of the following can cause objects to repel each other? Answer choices: - electromagnetic energy - mass - Electrical energy - gravitation - electrical currents - photosynthesis - the Great Barrier Reef - electricity
electrical currents

If aprism can form a rainbow, then what can form a rainbow? Answer choices: - salmon - A laser - streams. - A prism - A projector - A flashlight - photons - streams
A prism

Q: If burning fuel converts chemical cnergy into light and heat energy, then what converts chemical energy into light and heat energy? Answer choices: - Firecrackers - breathing - burning fuel - eating food - warmth - condensing fuel - Green beans - cigarettes
A: burning fuel

Question: If threatening behavior causes the heart to race and hormones to flood the body, then threatening behavior causes the what and hormones to flood the body? Answer choices: - heart to race - relaxation - calmness - deep thought - nervous system - circulatory system - hypothyroidism - cells of organisms
Answer: heart to race

*Question*
If you can find marine biomes in the Pacific, then where can you find marine biomes? Answer choices: - Lake Michigan - The Pacific - Absorb light - complex - the environment - The Amazon - The Missisippi - salt and water.
**Answer**
The Pacific

Q: If to ensure that water is safe to drink harmful substances are removed before drinking, then to ensure that water is safe to drink, harmful what are removed before drinking? Answer choices: - leeches - seeds - toxins - currents - bacteria - substances - Roundworms - plants
A: substances