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Trava [24]
3 years ago
13

The formation of what three classes of substances cause double displacement reactions to occur

Biology
1 answer:
Lera25 [3.4K]3 years ago
8 0
The three substances that cause a double displacement reaction to occur are:
(i)   Ionized compounds. These are usually water.
(ii)   A gas that bubbles out a solution.
(iii)  A precipitate.

In double displacement reaction is where two new compounds are formed when two parts of two compounds switch places. For example; when sodium chloride combines with silver nitrate, the two new compounds formed are Sodium nitrate and silver chloride reason being sodium and silver switched places.
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The subcutaneous layer is mainly made of ___.
Gelneren [198K]

The subcutaneous layer is mainly made of  <u>fat tissue.</u>

One of the three layers of skin is the subcutaneous layer, which lies below the dermis. The deepest layer of the skin is primarily made up of fat. It also contains collagen, blood vessels and nerves. The body's fat creates a layer that protects the organs from damage and acts as insulation against the cold. Additionally, it gives the skin structural support.

The depth of the subcutaneous layer in the body's abdominal region, which frequently has higher percentages of fat, can reach three centimeters. The thickness is determined by the person's overall body fat percentage. Other places, like the eyelids, have a subcutaneous layer that is as thin as 1 millimeter and devoid of fat.

The subcutaneous layer has many functions, including insulation, thermoregulation, shock absorption, structural support, and energy storage.

Find more on subcutaneous layer at : brainly.com/question/14319364

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7 0
2 years ago
What organisms help you to breath?
Katen [24]
I think the answer is trees

8 0
3 years ago
What is the amount of heat energy needed to raise the temperature of
34kurt

Answer:

25116 J

Explanation:

Q  =  m  ×  c  × ΔT

c = 4.186 J/g°C

M=200 g

So,

Q = 200  ×  4.186 × (40-10)

=200 ×  4.186 × 30

=25116 J

7 0
2 years ago
Classify the structures homologous or analogous, depending on their structure and function
elena-s [515]

Analogous structures have a different evolutionary ancestries but they have the same function

while homologous structures are the opposite; they have similar ancestries and common traits but maybe not have the same function in an organism

7 0
3 years ago
What causes birds to fly?
ELEN [110]
The things that birds have attached to their bodies called their wings, a left one and a right one, cause them to have the ability to fly.
5 0
3 years ago
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