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3 years ago

How long did it take the Europeans to colonize Africa

Geography

1 answer:

guajiro [1.7K]3 years ago

6 0

Between the 1870 and 1900

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What is the average salt content of seawater as measured in parts per thousand (ppt)?

vfiekz [6]

I think the correct answer from the choices listed above is option C. The average salt content of seawater as measured in parts per thousand (ppt) would be 35 ppt. The salinity of seawater is usually 35 parts per thousand in most marine areas. Hope this answers the question.

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3 years ago

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The diagram below represents the position of Earth in its orbit and the position of a comet in its orbit

Finger [1]

I think the inference that could be made is :
2. Earth's orbit has a greater distance between foci than the comet's orbit

both earth and comet has sun as their Foci, and from the diagram, the distance between earth and sun is far greater

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3 years ago

Find the coordinates of the midpoint of HX

marta [7]

Answer:

$M(29, -12)$

Explanation:

Given:

$H(4\frac{1}{2}, -3\frac{1}{4}), X(2\frac{3}{4}, -2\frac{3}{4})$

Required:

Coordinates of the Midpoint of HX

Solution:

Midpoint (M) of HX, for $H(4\frac{1}{2}, -3\frac{1}{4}), X(2\frac{3}{4}, -2\frac{3}{4})$ is given as

$M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})$ .

Let $H(4\frac{1}{2}, -3\frac{1}{4}) = (x_1, y_1)$

$X(2\frac{3}{4}, -2\frac{3}{4}) = (x_2, y_2)$

Thus:

$M(\frac{4\frac{1}{2} + 2\frac{3}{4}}{2}, \frac{-3\frac{1}{4} + (-2\frac{3}{4})}{2})$

Convert to improper fractions

$M(\frac{\frac{9}{2} + \frac{11}{4}}{2}, \frac{-\frac{13}{4} + (-\frac{11}{4})}{2})$

$M(\frac{\frac{18 + 11}{2}}{2}, \frac{\frac{-13 - 11}{4}}{2})$

$M(\frac{\frac{29}{2}}{2}, \frac{\frac{-24}{4}}{2})$

$M(\frac{29}{2}*2, \frac{-24}{4}*2$

$M(29, -12)$

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3 years ago

Define, these words in your own words

xxMikexx [17]

-Fold: bend in the rock strata
-Joint: a break of natural origin
-Fault: a crack in the Earth’s crust
-Syncline: forms when rocks are compressed
-Anticline: arch-shaped fold, oldest beds are at core

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3 years ago

The United Arabic Republic was formed by a union between which two nations?A. Egypt and Syria B. Egypt and Israel C. Egypt and I

Schach [20]

The United Arabic Republic was formed by a union between Iran and Iraq. The correct option among all the options that are given in the question is the fourth option or the last option or option "D". I hope that this is the answer that you were looking for and the answer has come to your desired help.

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3 years ago