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antoniya [11.8K]
3 years ago
9

Subjects who can be recruited for a laboratory experiment, randomly assigned to a group, and kept under carefully controlled con

ditions for the duration of the study are the most likely to be representative of the larger population.
False
TRUE
Social Studies
1 answer:
ivolga24 [154]3 years ago
3 0

Answer:

False

Explanation:

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Dr. Alley once helped a Grand Canyon ranger answer a tourist’s question: "Why is the Canyon wider at the top than at the bottom?
lina2011 [118]

Complete Question:

Dr. Alley once helped a Grand Canyon ranger answer a tourist’s question: "Why is the Canyon wider at the top than at the bottom?" The tourist had their own favorite theory. Based on the materials that have been presented to you’ve in this class, what geologically accepted answer would Dr. Alley and the ranger have given the tourist?

A) The river cuts down, and that steepens the walls of the canyon, which fall, topple, slump, creep or flow into the river to be washed away, thus widening the canyon above the river.

B) The canyon is really the same width at the top as at the bottom, but the well-known "optical illusion" of distant things appearing smaller causes it to look as if the canyon is narrowing downward.

C) The bulldozer that made the canyon was wearing out its blade as it dug down.

D) The river used to be much wider because it was not steep, and water spreads out when running slowly (a little tap feeds a big bathtub...); then, as the Rockies were raised, the river steepened and narrowed, so it used to cut a wide canyon and now cuts a narrow one.

E) The river used to be much wider before the desert formed, and so cut a wide canyon, but the river has narrowed as the drying occurred, and now cuts only a narrow canyon

According to Wikipedia, Grand Canyon is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,093 feet or 1,857 meters).

Grand Canyon is part of the Colorado River Basin,it has layered bands of red rock revealing millions of years of geological history.It towering cliff was craved by the copper-colored Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted.

The Canyon is wider at the top than at the bottom because the river (Colorado River and its tributaries) cuts down, and that steepens the walls of the canyon, which fall, topple, slump, creep or flow into the river to be washed away, thus widening the canyon above the river.

6 0
3 years ago
In a certain mythical community, politicians never tell the truth, and nonpoliticians always tell the truth. a stranger meets th
slavikrds [6]

I'm not really sure what the question is. If you are asking which of the citizens are politicians, then I believe the answer is both citizens 2 and 3. Only citizen 1 answered the question, while the other two changed the topic by accusing citizen 1.

6 0
3 years ago
1.Name 2 good things that happened as Americans achieved “Manifest Destiny”.
Leni [432]

Answer:

GOOD: American culture expands to all conquered and acquired territories. Everyone who lives in these territories was able to benefit from religion, democracy, and cultural ways of Americans. Manifest Destiny increased goods, doubled the land area of the U.S., services, and wealth.

BAD:

was their destiny to expand caused Americans to disregard the territorial rights of Native Americans, wiping out many tribes and causing a cultural divide, tension and wars.

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3 years ago
What's up?" This question represents which of the following functions of language?
Valentin [98]

Phatic

I hope this helped

5 0
3 years ago
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Shay's rebellion showed the United States that it needed blank?
zhuklara [117]

Answer:

if I am right your answer will be B

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