Ques:Q: What is applied to a rock to make it bend and flow? Choices: - phosphorus - weathering - acid - stress A:

Ans:stress
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Ques:Q: Redox reactions, like other chemical reactions, begin with a product and end with what? Choices: - plasma - decomposition - stimulant - reactant A:

Ans:reactant
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Ques:Q: Name the plant considered to be the ancestor of plants? Choices: - brown algae - ferns - grass - green algae A:

Ans:green algae
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Ques:Q: What does unequal heating of the atmosphere cause? Choices: - water - flares - humidity - weather A:

Ans:
weather
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