Fact 1: Breathing is when a gill converts from oxygen in water into oxygen in blood. Fact 2: Hemoglobin transports oxygen in blood. Given the two facts above, breathing is when a gill converts from oxygen in water into?
OPTIONS:
- tiny polyps
- Hemoglobin
- salmon
- motility
- unidirectional
- exoskeleton
- heat energy
- epidermal
Hemoglobin
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Fact 1: Abreathing mask is used for keeping harmful particles from entering the respiratory system. Fact 2: Unlike larger particles, the smaller particles are able to enter the respiratory system. Given the two facts above, a breathing mask can prevent what kind of particle from entering the lung?
OPTIONS:
- light
- harmful
- rabies
- A virus
- x-ray
- deadly
- ion
- small
small
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Fact 1: Streams may start with runoff or water seeping out of a spring. Fact 2: Streams A stream is a sequence of characters. Given the two facts above, a sequence of characters may start with runoff or what seeping out of a spring?
OPTIONS:
- sodium
- Joules
- liquid
- rivers
- solutes
- water
- rain
- SO2
water
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Fact 1: The emission of sulfur dioxide causes acid rain. Fact 2: Polluted rain is called acid rain . Given the two facts above, what causes pollution in rain?
OPTIONS:
- sulfur dioxide
- carbon dioxide
- nitrogen
- contamination
- smog
- hydrogen
- fossil fuels
- flooding
sulfur dioxide
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