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tankabanditka [31]
3 years ago
9

Any one of you at least answer one question please?

Biology
2 answers:
zalisa [80]3 years ago
7 0

Answer:

B. Major types of fossil fuels: coal, oil and natural gas

Explanation:

vekshin13 years ago
4 0

Answer:

what is a cell wall

Explanation:I want to know what a cell wall is?

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In what type of reproduction do cartilaginous fish lay eggs?
Evgen [1.6K]

Answer:

Oviparous

Explanation:

The most common reproductive strategy in marine ecosystems is oviparity. 43% of cartilaginous fish are oviparous.

5 0
3 years ago
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Alex

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On slim shady's grave please stand up

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7 0
2 years ago
Upon examination, a cell is found to have twice as much DNA as the normal diploid state but is no longer in the process of repli
irina1246 [14]

The Gap 2(G2) stage of Interphase

Explanation:

In a eukaryotic cell, the cell cycle refers to both -cell growth and cell division - leading to the production of identical daughter cells. The cell cycle is basically divided into interphase (I) and mitosis (M).

The interphase, during which the cell grows and replicates its DNA takes place by the following stages – Gap 1 (G1), Synthesis (S), Gap 2(G2).

The cells grow and increase in size during the G1 period.

The G2 phase or the second gap phase the cell utilizes energy and produces necessary proteins for undergoing chromosome manipulation and other organelles and prepares the cell for mitotic cell division.

DNA replication mainly takes place in the Synthesis or the S stage of interphase with each of the chromosomes (46) is replicated.  

Due to this DNA replication in the S stage, its content is doubled (4-N DNA content) when it enters the G2 stage and all the DNA is found within a single nucleus.

6 0
3 years ago
The earth is composed of three different chemical layers: core, mantle, and crust. This layering effect is called _____.
almond37 [142]

Answer:

i believe that the answer is sedimentation

8 0
3 years ago
The top layer of soil in the tundra that thaws in the summer is called the _____.
Degger [83]

Answer:

A.

Explanation:

The arctic soil is so cold that the ground beneath the tundra surface remains frozen all year. This permanently frozen ground is called permafrost. Each summer, when the sun warms the tundra surface, the top few inches of soil thaw. This melted part is called the active layer.

3 0
3 years ago
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