Fact 1: Sedimentary rocks are formed by deposition. Fact 2: Limestone is a type of sedimentary rock. Given the two facts above, what is formed by deposition?
OPTIONS:
- soft soil
- oxygen
- soap
- calcite
- lmestone
- water vapor
- Sand dollars
- coral reefs
lmestone
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Fact 1: Ablack hole is formed by a high-mass star collapses. Fact 2: Then, gravity collapses the star. Given the two facts above, what is the initial cause of black holes?
OPTIONS:
- energy
- gravity
- heat
- photons
- mechanical
- sun's heat
- cracking
- Smoking
gravity
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Fact 1: Air pollution harms the respiratory and circulatory systems. Fact 2: An example of an air pollution reaction is the production of photochemical smog. Given the two facts above, what affects the respiratory and circulatory systems in the body?
OPTIONS:
- HIV
- sulfur
- smog
- stress
- fever
- sweat
- heat
- tar
smog
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Fact 1: Aging occurs as cells lose their ability to divide. Fact 2: Illness, aging and death are inevitable. Given the two facts above, what is inevitable?
OPTIONS:
- movements in the earth's crust
- tectonic plates being pushed together
- religion
- a hemisphere is tilted away from the sun
- movement of tectonic plates
- growth
- Cells losing ability to divide
- taxes
Cells losing ability to divide
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