Q: Why are the stems of many xerophytes fleshy? A:
OPTIONS:
- drains water
- pressures water
- collects water
- stores water
stores water
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Q: What is the name for elements that neither contain carbon nor come from living things? A:
OPTIONS:
- acids
- contaminants
- pigments
- minerals
minerals
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Q: What reinforces the thin walls of the right ventricle and plays a crucial role in cardiac conduction? A:
OPTIONS:
- pores band
- moderator valve
- pores valve
- moderator band
moderator band
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Q: What produces sound waves that travel outward in all directions in water? A:
OPTIONS:
- echo chamber
- ultrasound machines
- amplifiers
- echo sounders
echo sounders
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