Problem:OPTIONS:
- Embryo
- grow
- RNA
- propagate
- fertile
- seeds
- Monoploid
- Chromosome

Fact 1: Fertilization of gametes produces a diploid zygote. Fact 2: Zygotes are diploid and undergo cell division to become an embryo. Given the two facts above, after fertilization and undergoing cell division a gamete becomes a(n)?
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A: Embryo

Problem:OPTIONS:
- major threat to health
- h2o
- simplest known organisms
- Food poisoning
- mercury
- humans
- By wind and rain
- microorganisms

Fact 1: Viruses often infect bacteria. Fact 2: Viruses Viruses are the simplest organisms known. Given the two facts above, what often infects bacteria?
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A: simplest known organisms

Problem:OPTIONS:
- chemical reaction
- decreases the freezing point
- a hemisphere is tilted away from the sun
- heat production
- reusing materials
- water conservation
- It gets heated up
- massive damage

Fact 1: Adding salt to a solid decreases the freezing point of that solid. Fact 2: Salt is sodium chloride. Given the two facts above, adding sodium chloride to a solid does what?
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A: decreases the freezing point

Problem:OPTIONS:
- electromagnetic energy
- Electrical energy
- attractive force
- heat energy
- friction
- solid, liquid, gas
- energy of moving objects
- kinetic energy

Fact 1: The mass of an object causes the gravitational force exerted by that object. Fact 2: All gravitational forces are attractive, there is no repulsive gravitational force. Given the two facts above, the mass of an object causes the what exerted by that object?
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A:
attractive force