Q: What are secreted into the gi tract by organs of the gi tract or from a nearby gland named the pancreas? Choices: - stomach acid - insulin and pepsin - bile - digestive enzymes A:
digestive enzymes
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Q: What do you call compounds whose properties are different because their atoms are bonded together in different arrangements? Choices: - isotopes - mixtures - ionic compounds - isomers A:
isomers
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Q: What occurs before the endometrium thickens in estrous cycles? Choices: - fertilization - pregnancy - copulation - ovulation A:
ovulation
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Q: Most of the trash in the ocean is made of what material? Choices: - styrofoam - hydrocarbons - wood - plastic A:
plastic
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