Q: Answer the following question given this paragraph: In some places, the oceanic crust comes up to a continent. The moving crust pushes that continent away from the ridge axis as well. If the moving oceanic crust reaches a deep sea trench, the crust sinks into the mantle. The creation and destruction of oceanic crust is the reason that continents move. Q: The creation and destruction of oceanic crust is the reason what moves? Choices: - animals - planets - oceans - continents A:
A: continents

Q: Answer the following question given this paragraph: A chemical reaction occurs when some substances change chemically to other substances. Chemical reactions are represented by chemical equations. Q: What occurs when some substances change chemically to other substances? Choices: - toxic reaction - spontaneous mutation - hormonal reaction - chemical reaction A:
A: chemical reaction

Q: Answer the following question given this paragraph: In eukaryotic cells, the start of transcription is one of the most complicated parts of gene regulation. There may be many regulatory proteins and regulatory elements involved. Regulation may also involve enhancers. Enhancers are distant regions of DNA that can loop back to interact with a gene's promoter. Q: Which is one of the most complicated parts of gene regulation in eukaryotic cells? Choices: - middle of transcription - aftermath of transcription - end of transcription - start of transcription A:
A: start of transcription

Q: Answer the following question given this paragraph: Hinge Joint. The knee joint is a hinge joint. Like a door hinge, a hinge joint allows backward and forward movement. Q: What type of joint is the knee joint? Choices: - ball joint - pivot joint - condyloid joint - hinge joint A:
A: hinge joint