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2 years ago

Through geologic time, continents have drifted over the surface of Earth, but each continent has ________.

Geography

1 answer:

Drupady [299]2 years ago

3 0

Answer:

reorganized

Explanation:

There Have been major phases of the breakup of the Pangea and began in the early and the middle Jurassic period. When the Pangea as lifted from the sea and this led to the formation of the new ocean and they formed multiple small continents and these rearranged themselves with the opening and the closing of these as and thus reconfiguration of the continent after the plate tectonic event s and climatic shifts.

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Which of the following paths could not be a real orbit for a planet around the Sun?

Vedmedyk [2.9K]

Answer: (b) Planet orbit shown as a moderately-flattened ellipse slightly wider than the others with the Sun at precise center of the ellipse. Minor axis is the same as other ellipses.

Explanation:

According to the first Kepler Law of Planetary motion, the orbit of a planet around the Sun, is in the form of an ellipse with the Sun at one of the two foci of that ellipse. This is also valid for any mass orbiting another mass greater than the first one in the space.

In this context, the ellipse is a conic, whose eccentricity is between 0 and 1. So, when its value is 0 we are talking about a circular orbit and when it is 1, a parabolic orbit.

That is, the nearer to the value of 1 (without reaching 1) the eccentricity of the orbit is, the more elliptical it will be.

In this sense, the only option that is incorrect is:

(b) Planet orbit shown as a moderately-flattened ellipse slightly wider than the others with the Sun at precise center of the ellipse. Minor axis is the same as other ellipses.

This statement contradicts Kepler's first law, because the Sun is at one of the two foci of that ellipse. The only way in which the Sun can be at the very center of the orbit is when we talk about a circular orbit. Since a circumference is a especial case of an elipse with eccentricity zero and we get only the center instead of the two foci.

4 0

2 years ago

Read 2 more answers

Five sisters live and work in different US cities. Each of them recently changed her place of residency. Identify the type of we

EastWind [94]

The correct matches are:

1. Hallie - She'll notice hotter temperatures year-round due to more absorbed radiation from the Sun;

California is a state where the dominant climate type is the Mediterranean. It is hot for most of the year, with low amounts of precipitation.

2. Kendra - She'll experience cooler overall temperatures, both day and night;

The Appalachians are relatively high. They have cooler temperatures and higher precipitation, making them a much colder place than the places on sea level.

3. Millicent - She'll see more snowfall due to elevated levels of moisture in the air during winter;

The Great Lakes region is dominated by continental climate. It is dry during the warmer part of the year, but it gets much more moist air in the winter, resulting in heavy snowfall and very low temperatures.

4. Lisa - She should prepare for hotter overall temperatures, both day and bight;

Florida has high temperatures throughout the whole year, both day and night. It is influenced by warm ocean currents that bring in warm and wet air masses.

5. Tatum - She should anticipate less frequent and lighter rain and snow showers;

The leeward sides of the mountains are the sides on the opposite side from where the wet air masses come. The rainfall occurs on the opposite side, the windward one, while the leeward gets mostly dry winds and very little precipitation.

5 0

2 years ago

The owner of a tree farm decides to harvest a stand of mature white pine trees. Each white pine yields approximately 62 board fe

adelina 88 [10]

Answer:

$13764 ; $247752 ; $173426 ; $259740

Explanation:

1 white pine = 62 board feets

Density of white pine = 120 trees per acre

Wholesale price per board foot = $1.85

The value per acre of white pines

(Number of board foots per white pine) * (Number of white pines per acre) * (wholesale price per board foot)

(62 * 120 * $1.85) = $13,764

B.) Amount Realized on harvesting 18 acres

Value per acre * 18

$13764 * 18

= $247752

C.)

Amount charged by timber company = 30% of wholesale price

Total wholesale amount realized on 18 acre = $247752

Amount left after paying timber company :

$247752 - (0.3 * $247752)

= $173426.4

= $173426 (nearest dollar)

Amount made now : = $247752

After 10 years :

The value per acre of white pines

(Number of board foots per white pine) * (Number of white pines per acre) * (wholesale price per board foot)

(127 * 120 * $1.85 * 18) = $507492

$507492 - $247752 = $259740

5 0

1 year ago

The North African countries of __________ have national soccer teams that often compete in the World Cup soccer match.

nadezda [96]

Answer:

somalia

Explanation: they have national soccer teams that often compete in the World Cup soccer match.

6 0

2 years ago

Read 2 more answers

There are 3 peninsulas in southern Europe .The Balkan Peninsula is west of the black sea.The country of italy is a peninsula. Wh

sveta [45]

Answer:

Correct answer is Iberian Peninsula.

Explanation:

Iberian peninsula is the peninsula located in the western part of southern Europe.

It is a peninsula where Spain are Portugal are located. Because of its good geographical position it was very important even since the ancient period, while in the age of exploration this peninsula was practically center of the world.

8 0

2 years ago