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Arada [10]
3 years ago
12

Question 15 of 20

Geography
1 answer:
kozerog [31]3 years ago
6 0

Answer:

b they do not have a continental slope

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Which type of igneous rock has a fine-grained or glassy texture?
mezya [45]

Answer: Porphyry

Explanation:

This is an igneous rock that has a fine grained texture!

Hope this helps! :)

8 0
3 years ago
What are porous rocks also called 25 POINTS
Soloha48 [4]

Answer:

The answer is A.

Explanation:

Permeable means allowing liquids or gases to pass through.

So porous rock is known as <u>P</u><u>e</u><u>r</u><u>m</u><u>e</u><u>a</u><u>b</u><u>l</u><u>e</u><u> </u><u>R</u><u>o</u><u>c</u><u>k</u><u>s</u> .

8 0
3 years ago
Long ago, people who lived in coastal North Africa most often interacted with _____.
lana66690 [7]

Answer: my guess is that they interacted with travelers coming on accident.

Explanation:

4 0
3 years ago
Bowen’s continuous reaction series describes the crystallization behavior of a singlemineral (with variable chemical composition
FromTheMoon [43]

Answer:

C. plagioclase

Explanation:

From the magma silicate crystals are formed successively when the magma temperature reaches the typical melting temperature for each type of crystal. The first crystals formed at high temperatures can then change their composition or dissolve again. In this way the crystals already formed contribute their ions, molecules and atoms to magma and combine again forming new crystals whose melting temperature is lower than that of the first crystals formed. The new crystals are said to be stable at the lowest temperatures set now. These processes of change are called reactions. As several successive reactions occur as the magma temperature decreases the ordered series of reactions is called the BOWEN series in honor of the Canadian scientist who formulated this concept. There are two types of reactions, the continuous reaction and the discontinuous reaction.

<u> By continuous reaction a crystal formed at high temperatures such as a plagioclase rich in the Ca2 +</u> component gradually varies its composition by replacing a portion of the Ca2 + ions with the Na + ions and a portion of the Al3 + ions with the Si4 + ions. To maintain its neutrality, the replacement of Ca2 + by Na + is coupled with the replacement of Al3 + by Si4 +. The series of continuous reaction starts from the plagioclase rich in Ca2 +, passes through several plagioclase of intermediate composition towards the plagioclase rich in Na +

5 0
3 years ago
Environmental protection strategies are hindered in south Asia and southeast Asia by ____
Fittoniya [83]

Answer:

C. Foreign Interference

Explanation:

5 0
3 years ago
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