Q: Diarrhea due to food poisoning is an example of a problem involving what organ system? Choices: - lung system - skeletal system - muscular system - digestive system A:
digestive system

Q: In seedless vascular plants such as ferns, the sporophyte releases spores from the undersides of what basic plant structures? Choices: - roots - fruits - stems - leaves A:
leaves

Q: Q: What kind of waves are electromagnetic waves? Choices: - amplitude - curved - inverse - transverse A:
A: transverse

Question: Q: What do increasing greenhouse gas concentrations in the air do to the earth's temperature? Choices: - Lower it - stable it - Pollute - raise it A:
Answer: raise it

*Question*
Q: Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. atmospheric nitrogen, which is the diatomic molecule n2, or dinitrogen, is the largest pool of nitrogen in these? Choices: - gas planets - desert biomes - aquatic ecosytems - terrestrial ecosystems A:
**Answer**
terrestrial ecosystems

(Question)
Q: What type of creature is a scallop? Choices: - insect - vertabrate - algae - mollusk A:
(Answer)
mollusk