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Sidana [21]
2 years ago
6

The United States Highway System is a _____________ in the United States numbered within a nationwide grid.

Geography
1 answer:
trasher [3.6K]2 years ago
7 0
Answer – System of roads
 The United States Numbered Highway System is an integrated system of roads in the contiguous United States numbered within a nationwide grid. This system of roads covers a total distance of 259,032 km. It is often called often called U.S. Routes or U.S. Highways <span>
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Construct a concept sketch illustrating the main events in the history of life as observed from the fossil record. This sketch w
zvonat [6]

Answer:

Fossils are important features that are present in the sedimentary rocks. This provides evidence of how life has evolved over a large geological time scale.

Initially, the first life forms were unicellular, microorganisms, whose remnants are found to be present in the chert rocks of Australia, that are about 3.46 billion years old belonging to the Archean era.

Next to this, there occurred a new species, known as the trilobites which were first appeared in the Cambrian (540 million years back) and got extinct by the end of Permian (250 million years). These are found to be present in the Paleozoic rocks of Utah, the United States, and Oklahoma.

The next well-developed species existed were the dinosaurs, which first appeared in the Triassic, dominant in the Jurassic and got extinct by the end of Cretaceous. This involved the time from about 250 million years back to 65 million years back.

Thus, this is how life has evolved from simpler to complex organisms, including the present-day humans. This study of changes that occurs in the fossils found in the rocks from the bottom (older) to the top (younger) is considered as faunal succession, and the geologist evaluates the age of the rocks that comprises the distinct fossils.

An image has been attached below, showing the occurrence of different life forms namely microorganisms, trilobites, and dinosaurs in the geological history at different places on earth.

8 0
3 years ago
Cite examples of changes brought about by a shift from rural to urban living.
aliina [53]

Answer:

As populations transition from rural to urban living, many social changes take place. For example, as people move to urban environments, they tend to live in closer proximity to each other. This presents problems when it comes to sanitation and hiegiene.

Explanation:

hope this helps

have a great day/night

8 0
2 years ago
What term refers to a landmass made up of many continents?
maw [93]
It is continent cause there is no term for many continents because continent is the biggest landmass.
7 0
3 years ago
Hollo tanisalimmmi konusalmm
juin [17]
Sorry i dont speak that language
8 0
2 years ago
On a coordinate plane, a line goes through (negative 3, negative 3) and (negative 1, 5). What is the equation of the line parall
DENIUS [597]

Answer:

y=4x-16

Explanation:

The general form of the equation of a line is: y=mx+x, where m is the gradient and c is the y-intercept.

Given points  (-3,-3) and (-1,5)

We are to find the equation of the line parallel to the given line with an x-intercept of 4.

First, we determine the value of the gradient of the line.

Gradient,

m=\frac{y_2-y_1}{x_2-x_1} \\=\frac{5-(-3)}{-1-(-3)} \\=\frac{5+3}{-1+3}\\=\frac{8}{2}\\m=4

Two lines are parallel if their gradients m_1 \: and \: m_2 are equal.

The gradient of the line parallel to the given line m_2=4

Since the x-intercept of the new line is 4, a point on the new line, (x_1,y_1)=(4,0)

Substituting (x_1,y_1)=(4,0) into the equation of a line: , y-y_1=m(x-x_1),we have:

y-0=4(x-4)\\$Therefore:\\y=4x-16

Therefore, the equation of the line is: y=4x-16



6 0
2 years ago
Read 2 more answers
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