Biology

Biology, 21.10.2019 20:00, dondre54

Much of what is known about the large-scale climatic fluctuations of the pleistocene ice age is based on analysis of

a. tree growth-rings

b. documentary evidence such as journals

c. deep-sea sediment cores

d. thermometer-based records

e. none of the above is correct.

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Biology, 25.07.2019 00:10, Crxymia

What statements are accurate based on the study of tree rings? select 3 options. narrow rings indicate a cool and dry climate. trees near the arctic will have thicker rings than those near the equator. the number of rings can give the tree's age. size and density of tree rings can give information on past climates. the number of rings indicate how much fruit the tree can bear.

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Biology, 26.07.2019 03:20, maystrenko53

The popular notion that a tree's age can be determined by counting the number of internal rings in its trunk is generally true. however, to regulate the internal temperature of the tree, the outermost layers of wood of the brazilian ash often peel away when the temperature exceeds 95 degrees fahrenheit, leaving the tree with fewer rings than it would otherwise have. so if the temperature in the brazilian ash's environment never exceeded 95 degrees fahrenheit, its rings would be a reliable measure of the tree's age. which of the following is an assumption on which the argument above depends? (a) the growth of new rings in a tree is not a function of levels of precipitation. (b) only the brazilian ash loses rings because of excessive heat. (c) only one day of temperatures above 95 degrees fahrenheit is needed to cause the brazilian ash to lose a ring. (d) the internal rings of all trees are of uniform thickness. (e) the number of rings that will be lost when the temperature exceeds 95 degrees fahrenheit is not predictable

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Mathematics, 24.09.2019 10:30, youngking123

Many trees have concentric rings that can be counted to determine the trees age. each ring represents one years growth. a maple tree with a diameter of 12 inches has 32 rings. if the tree continues to grow at about the same rate, how many rings will the tree have when its diameter is 20 inches?

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Biology, 19.10.2019 22:30, quincytonia

Nydia noted all the information below. which statement gives quantitative data? some of the growth rings are wider than others. the tree was 20 years old when it was cut down. a forest fire burned the tree during the years that it was alive. the widest growth rings indicate years that had the most rainfall.

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