Which of the following is true about a delta?
A) A delta forms as channels merge and pile up sand.
B) A river keeps forming a delta in the exact same position along a coastline.
C) Deltas form some layers that are horizontal and form some that are inclined toward the ocean.
D) The total amount of sediment carried by the river increases from the start to the end of the delta system.
C) Deltas form some layers that are horizontal and form some that are inclined toward the ocean.
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Water molecules exhibit strong cohesion.
a. true b. false
What happens to winds at the equator as a result of the Coriolis effect?
A. They deflect to the right. B. They deflect to the left. C. They rotate in a clockwise direction. D. They rotate in a counterclockwise direction. E. They stay the same because the Coriolis effect does not affect winds at the equator.
Which of the following is the BEST way to ensure soil health?
A. Maintaining clean, open ground between rows B. Establishing ridges running up and down hills C. Strip farming and leaving residues on fields after harvest D. Clearing fields immediately after harvesting E. All of these are good practices in ensuring soil health
Some rapidly growing crops such as corn and sugar cane can be used to generate biofuels, because biomass can be transformed into burnable liquid.
a. true b. false