Q: Every chemical reaction occurs with a concurrent change in what? Choices: - neutrons - mass - hydrogen - energy A:
energy
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Q: Because conifers carry both male and female sporophylls on the same mature sporophyte, they are considered what type of plant? Choices: - siliceous - bioecious - dioecious - monoecious A:
monoecious
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Q: Energy constantly changes back and forth between kinetic and what type of energy? Choices: - practical - physical - mechanical - potential A:
potential
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Q: Under certain conditions, electric current causes what type of field? Choices: - light - kinetic - seismic - magnetic A:
magnetic
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