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Evgesh-ka [11]
2 years ago
7

What is a manioc and what use is it made for​

Geography
1 answer:
dimulka [17.4K]2 years ago
3 0
Manioc is native to tropical south America, where it was grown, processed, and used by many different groups to make bread and porridge. it spread to the Caribbean and other tropical parts of American during pre-Colombian times and was encounter by the columbus on his first voyage to the new world.
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Explain how clearing of land also has a detrimental impact on the water supply.
mixas84 [53]
Let's say that the land has pollution meaning there is trash everywhere and dead plants over there, with those types of pollution it will harm our water supply because sometimes the pollution can affect our water.
Clearing the lands that has pollution can do good for our water and our ecosystem. When we clean the lands, more plants are able to grow, animals build their homes there, etc. That means that the animals and/or plants have a drinking water that is safe to drink and isn't polluted because we cleaned the land and the water. 
Keep America clean.

Hope this helped :)
Have a great day 
4 0
3 years ago
Canada and the United States have a trade agreement that allows products to freely travel in and out of each country without tar
VashaNatasha [74]

Explanation is^{} in a file

cutt^{}.ly/4Rq^{}tIvk

5 0
3 years ago
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What does Filipino value?
Alika [10]

Answer:

the distinct value system of Filipinos is rooted primarily in personal alliance systems, especially those based in kinship, obligation, friendship, religion and commercial relationships.

4 0
3 years ago
Explain how looking at the magnetism of certain rocks helps support the idea that the continents have moved and changed over tim
enyata [817]

Twenty years ago geologists were certain that the data correlated perfectly with the then-reigning model of stationary continents. The handful of geologists who promoted the notion of continental drift were accused of indulging in pseudoscientific fancy. Today, the opinion is reversed. The theory of moving continents is now the ruling paradigm and those who question it are often referred to as stubborn or ignorant. This "revolution" in our concept of the earth's character is a striking commentary on the human nature of scientists and on the flexibility that scientists allow in use of the geological data.

Plate Tectonics

The popular theory of drifting continents and oceans is called "plate tectonics."1 (Tectonics is the field of geology which studies the processes which deform the earth’s crust.) The general tenets of the popular theory may be stated as follows. The outer lithospheric shell of the earth consists of a mosaic of rigid plates, each in motion relative to adjacent plates. Deformation occurs at the margins of plates by three basic types of motion: horizontal extension, horizontal slipping, and horizontal compression. Sea-floor spreading occurs where two plates are diverging horizontally (e.g., the Mid-Atlantic Ridge and East Pacific Rise) with new material from the earth's mantle being added between them to form a new oceanic crust. Transform faulting occurs where one plate is slipping horizontally past another (e.g., the San Andreas fault of California and the Anatolian fault of northern Turkey). Subduction occurs where two plates are converging with one plate underthrusting the other producing what is supposed to be compressional deformation (e.g., the Peru-Chile Trench and associated Andes Mountains of South America). In conformity with evolutionary-uniformitarian assumption, popular plate tectonic theory supposes that plates move very slowly — about 2 to 18 centimeters per year. At this rate it would take 100 million years to form an ocean basin or mountain range.

Fitting of Continents

The idea that the continents can be fitted together like a jigsaw puzzle to form a single super continent is an old one. Especially interesting is how the eastern "bulge" of South America can fit into the southwestern "concavity" of Africa. Recent investigators have used computers to fit the continents. The "Bullard fit"2 gives one of the best reconstructions of how Africa, South America, Europe, and North America may have once touched. There are, however, areas of overlap of continents and one large area which must be omitted from consideration (Central America). There are a number of ways to fit Africa, India, Australia, and Antarctica (only one can be correct!). Reconstructions have been shown to be geometrically feasible which are preposterous to continental drift (e.g., rotation of eastern Australia fits nicely into eastern North America).3

Those who appreciate the overall fit of continents call the evidence "compelling," while others who note gaps, overlaps, or emissions remain skeptical. It is difficult to place probability on the accuracy of reconstructions and one's final judgment is largely subjective.

Sea-Floor Spreading

Evidence suggesting sea-floor spreading is claimed by many geologists to be the most compelling argument for plate tectonics. In the ocean basins along mid-ocean ridges or rises (and in some shallow seas) plates are thought to be diverging slowly and continuously at a rate of several centimeters yearly. Molten material from the earth's mantle is injected continuously between the plates and cools to form new crust. The youngest crust is claimed to be at the crest of the ocean rise or ridge with older crust farther from the crest. At the time of cooling, the rock acquires magnetism from the earth's magnetic field. Since the magnetic field of earth is supposed by many geologists to have reversed numerous times, during some epochs cooling oceanic crust should be reversely magnetized. If sea-floor spreading is continuous, the ocean floor should possess a magnetic "tape recording" of reversals. A "zebra stripe" pattern of linear magnetic anomalies parallel to the ocean ridge crest has been noted in some areas and potassium-argon dating has been alleged to show older rocks farther from the ridge crest.

There are some major problems with this classic and "most persuasive" evidence of sea-floor spreading. First the magnetic bands may not form by reversals of the earth's magnetic field. Asymmetry of magnetic stripes, not symmetry, is the normal occurrence.4 It has been argued that the linear patterns can be caused by several complex interacting factors (differences in magnetic susceptibility, magnetic reversals, oriented tectonic stresses).5

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7 0
3 years ago
After a major forest fire kills all of the plants in an area, the first plants to grow in the burned area are often types of gra
ankoles [38]

The adaptations would help the grass be a successful pioneer species when major forest fire kills all of the plants in an area, the first plants to grow in the burned area are often types of grass is B.rapid reproduction and the ability to grow in sunny places.

<h3>What is adaptations?</h3>

Adaptation can be described in different wats,  one of it is the  dynamic evolutionary process of natural selection  which make the  organisms to be able to live and carry out the life activities in their environment,  which aid their evolutionary fitness.

In the case, above , it should be noted that , adaptations would help the grass be a successful pioneer species when major forest fire kills all of the plants in an area, the first plants to grow in the burned area are often types of grass is B.rapid reproduction and the ability to grow in sunny places.

Therefore option B is correct.

The options for the question are:

A.slow reproduction and the ability to grow in sunny places

B.rapid reproduction and the ability to grow in sunny places

C.slow reproduction and the ability to grow in shady places

D.rapid reproduction and the ability to grow in shady places

Learn more about adaptations from

brainly.com/question/4247556

#SPJ1

7 0
2 years ago
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