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krek1111 [17]
3 years ago
6

During fertilization, a __________ and __________ combine to form a __________.

Biology
1 answer:
sineoko [7]3 years ago
6 0
During fertilization, a _sperm_ and _egg_ combine to form a _zygote_.

Sperm and egg (gametes) are both haploid, and the fertilized zygote is diploid.
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A cell containing both sets of homologous chromosomes
AlekseyPX
Hello Brainiac

Diploid is a term used to refer to a cell that contains both sets of homologous chromosomes.


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3 years ago
Which statement is true about the layers of the Earth? * 1 as temperature and pressure increases, density increases 2 As tempera
nignag [31]

Answer:

1. As temperature and pressure increases, density increases

Explanation:

The earth is composed of three main layers: Crust, Mantle and Core. The density or mass per unit volume of the earth's layers increases as one moves from the surface towards the interior of the earth known as the core. Also, there is an increase in pressure and temperature as depth increases. There are three main sources of heat in the earth's core: (1) conserved heat from when the planet formed and coalesced, (2) heat due to friction caused by denser core material sinking to the center of the planet, and (3) heat from the decay of radioactive elements.

The earth's core is composed almost entirely of the metals, iron and nickel. The core has an inner solid layer and a molten outer core. Iron and nickel are both very dense metals, so the core of the earth is very dense and the density increases with depth with the inner core being the most dense layer of the earth.

7 0
3 years ago
In what ways might this fish be adapted to live in an aquatic biome?
Temka [501]

Answer: by colors

Explanation:

A lot of Fish have certain colors to help blend in to their environment.

I hope this was helpful. :)

8 0
2 years ago
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Two methods of biotechnology used by scientists are described below.
agasfer [191]

Answer:78

Explanation:

5 0
1 year ago
Where do most of the world's coal mines come from?​
Sonja [21]

Answer:

Most of the world's coal mines come from China, India, the United States, the European Union, and Australia.

Explanation:

  • <u>China: </u>In the year 2018, China alone produced approximately 3523 million tonnes of coal. Though China is the largest producer of coal in the world, it has to import coal from other countries to fulfill its energy needs. China's share in the total coal produced in the world in the last 12 years is 39.7%.
  • <u>India:</u> The production of coal in India reached approximately 716 million tonnes in the year 2018. The total amount of coal produced in India in the last 12 years makes up 7.5% of the coal produced all over the world.
  • <u>The United States: </u>The coal produced in the United States in the year 2018 was approximately 702 million tonnes. The last 12 year share of the coal produced in the US is 16.2% of the total coal produced all over the world.
  • <u>The European Union:</u> The countries that constitute the European Union togetherly produced approximately 490 million tonnes of coal in the year 2018. The last 12-year contribution of the EU to the total coal produced in the world is 9.2%.
  • <u>Australia:</u> The production of coal in Australia for the year 2018 was approximately 481 million tonnes. Australia alone produced 6.2% coal of the total world production of coal in the last 12 years.
6 0
3 years ago
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