Q: When does internal reflection occur? Choices: - when light goes from a slow medium to another slow medium - when light goes from a fast medium to a slow - when light goes from a fast medium to another fast medium - when light goes from a slow medium to a fast A:
when light goes from a slow medium to a fast

Q: Bacterial stis can be cured with what? Choices: - pesticides - antioxidants - antiviral drugs - antibiotics A:
antibiotics

Q: Stomata must control the transpiration of water vapor and the exchange of carbon dioxide and oxygen that take place during what process? Choices: - glycolysis - spermatogenesis - fertilization - photosynthesis A:
photosynthesis