Q: If the immune system can recognize cancer as foreign to the body, then what can recognize cancer cells as foreign to the body? Answer choices: - electromagnetic energy - viruses - the immune system - bacteria - Allergies - Microscope - the colon - turn to a doctor
A: the immune system

Q: If mollusks are invertebrates such as common garden pests with shells, then what are invertebrates such as common garden pests with shells? Answer choices: - graptolites - homogenous - mollusks - animals - micorbes - insects - gardeners - spores
A: mollusks

Q: If some electricity production reduces greenhouse effect, then what reduces greenhouse effect? Answer choices: - Fully cooking the oysters - Something made from fermented ricce - fuel - reusing materials - gas - some electricity production - evaporative cooling - cells
A: some electricity production

Q: If blue pine releases oxygen during the day but not during the night, then what releases oxygen during the day but not during the night? Answer choices: - elephants - dogs - hydrocarbons - blue pine - Conifers - vegetation - humans - Fuel cells
A: blue pine