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"Permafrost is made of a combination of soil ..." What is the meaning of the underlined word?

Pertanyaan

The following text is for questions 6 to 10.


Permafrost is any ground that remains completely frozenlong dash32degreeF (0undefinedC) or colderundefinedfor at least two years straight. These permanently frozen grounds are most common in regions with high mountains and in Earth's higher latitudesundefinednear the North and South Poles. Permafrost covers large regions of the Earth. Almost a quarter of the land area in the Northern Hemisphere has permafrost underneath. Although the ground is frozen, permafrost regions are not always covered in snow.

Permafrost is made of a combination of soil, rocks and sand that are held together by ice. The soil and ice in permafrost stay frozen all year long. Near the surface, permafrost soils also contain large quantities of organic carbonundefineda material leftover from dead plants that couldn't decompose, or rot away, due to the cold. Lower permafrost layers contain soils made mostly of minerals.

A layer of soil on top of permafrost does not stay frozen all year. This layer, called the active layer, thaws during the warm summer months and freezes again in the fall. In colder regions, the ground rarely thawsundefinedeven in the summer. There, the active layer is very thinundefinedonly 4 to 6 inches (10 to 15 centimeters). In warmer permafrost regions, the active layer can be several meters thick.

(Adapted from https://climatekids.nasa.gov/menu/weather-and-climate/)undefined

"Permafrost is made of a combination of soil ..."


What is the meaning of the underlined word?undefined

  1. separationundefined

  2. mixtureundefined

  3. partingundefined

  4. kindundefined

Pembahasan:

Persamaan kata untuk combination adalah mixture yang berarti kombinasi atau campuran. Separation = parting = pemisahan; kind = jenis.

Jadi, jawaban yang benar adalah B.undefined

Jawaban terverifikasi

Dijawab oleh:

A. Fitri

Mahasiswa/Alumni Universitas Gadjah Mada

Terakhir diupdate 05 Oktober 2021

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