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erik [133]
3 years ago
7

An ice shelf forms when a glacier extends out over water.

Geography
1 answer:
dezoksy [38]3 years ago
3 0

Answer:

that's true

Explanation:

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The percentage of a rock’s total volume that has pores and spaces is referred to as its _______________________.
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Answer:

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Porosity is defined as the total percentage of pore spaces that are present within a rock. These spaces are found between the rock particles and fractures and are mostly filled with fluid mixture or water. It is the ratio between the total pore space in a rock to the total volume of the rock. It is mainly calculated in terms of percentage.

Porosity is directly affected by sorting. Well-sorted rocks indicate high porosity but poorly-sorted rocks indicate low porosity. Some of the examples of rocks exhibiting high porosity are limestone, shale, and sandstone. Rocks with low porosity include granite and mudstone.

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The study of the history of earths magnetic field is known as
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