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krok68 [10]
3 years ago
8

Scientist: Cross-sections of stalactites - calcite formations deposited on cave ceilings by seeping water - can reveal annual va

riations in rainfall in particular areas over hundreds and thousands of years. We often found that when - according to these cross-sections - drought occurred in a particular area, it coincided with the collapse of an ancient society in that area. I hypothesize that drought reduced agricultural productivity in these areas, thereby leaving these societies without the resources needed to handle internal stresses and external threats.
Which of the following, if true, would most weaken the support for the scientist's hypothesis?
(a) Many droughts indicated in the cross-sections of stalactites do not correspond with the collapse of a society in that area.
(b) Information from the cross-sections of stalactites alone cannot reveal the level of agricultural output in an area at a particular time.
(c) Most of the societies that collapsed during droughts did so when internal power struggles coincided with military raids from neighboring societies.
(d) Most of the societies that collapsed during droughts maintained large stockpiles of food and water at the time of their collapse.
(e) Information from stalactites also suggests that the collapse of some societies coincided with periods of abnormally high rainfall.
Geography
1 answer:
damaskus [11]3 years ago
3 0

Answer:

(d) Most of the societies that collapsed during droughts maintained large stockpiles of food and water at the time of their collapse.

Explanation:

A. option attacks the premise rather than the conclusion.

B. option attacks the premise rather than the conclusion.

C. option is irrelevant to the conclusion.

E. option is out of context.

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What type of economy does each statement describe?
otez555 [7]

The correct answers are:

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- Traditional;

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Comet is seen in the gap of more period. Why?
alexgriva [62]
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Express the answer in scientific notation. What is the pressure, in N/m2, at a depth of 50 km in the continental crust?
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1.422\times 10^9 N/m²

Explanation:

pressure (P) =  ρ g h

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density of continental crust is equal to 2.9 g/cm³

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pressure (P) = ρ g h

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