Q: Q: Is sleep an active or inactive state in the brain? Choices: - intense - different - inactive - active A:
A: active

Q: Q: What element is released into the atmosphere by the burning of fossil fuels? Choices: - carbon - helium - oxygen - sulfur A:
A: sulfur

Q: Q: What is the force of attraction between fundamental particles called quarks, called. Choices: - magnetism - gravity - weak nuclear force - strong nuclear force A:
A: strong nuclear force

Q: Q: Like the mitochondria, chloroplasts have their own dna and ribosomes, but chloroplasts have an entirely different function. chloroplasts are plant cell organelles that carry out what? Choices: - reproduction - digestion - growth - photosynthesis A:
A: photosynthesis