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Digiron [165]
3 years ago
8

Which has not been a major source of CFCs?

Biology
2 answers:
mezya [45]3 years ago
7 0

Answer:

Televisions

Explanation:

miss Akunina [59]3 years ago
6 0

Televisions is not a major source of CFCs.

Explanation:

CFCs (Chlorofluorocarbons) is used in refrigerator to maintain the temperature for preserving food items. Similarly in air conditioners CFCs used to maintain the temperature in the particular place.This CFCs acts as a medium through which heat is transferred through the freezer and refrigerator compartments via the heat exchanging coils Plastic foams used in food packaging also involves the use of CFCs.

But Television is an electronic device which involves transmitter and receiver and cathode ray tubes to display images and videos and hence doesn't use CFCs in it.

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List and explain the 4 different types of variables and explain them.
vagabundo [1.1K]

Answer:

independent, dependent, control

Explanation:

The independent variable is the variable that you change. For example, if we were growing plants and wanted to see if more sun made them grow higher, you would change the amount of sun that each plant is exposed to.

The dependent variable is what you measure. This <em>depends</em> on the independent variable. So, in our plant experiment, the height of the plant is the dependent variable.

Control. The control is what stays the same. So in our plant experiment, the amount of water, type of plant, type of soil, and all of these things would stay the same to insure that the results are equal.

8 0
3 years ago
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Does the park or the forest have greater biodiversity?
Gennadij [26K]

Answer:

The forests

Explanation:

Forests are so much more than a collection of trees. Forests are home to 80% of the world's terrestrial biodiversity. These ecosystems are complex webs of organisms that include plants, animals, fungi and bacteria. Forests take many forms, depending on their latitude, local soil, rainfall and prevailing temperatures.

3 0
3 years ago
Which of the following is an adaptation that helps to defend an organism against consumers?
sweet-ann [11.9K]

Answer:

some plants have thorns some animals have spikes

Explanation:

5 0
3 years ago
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use the samples; diamond, dolomite, gneiss, and chalk and provide your analysis of composition and identification based on their
Trava [24]

Answer:

Diamond-

Physical identification characters:

Color-  White or Colorless

Lusture - admantine

Streak - Colorkess

Habit - Hour glass structure

Hardness - 10

Cleavage- octaheadral

Composition- pure carbon

Specific gravity-3.5

Dolomite (CaMg(CO3)2

Color - Colorless or white

Hardness is between 3-4

Reacts with any acid

Gneiss

Light and dark strip or banding present alternatively

biotite , pyroxene have Mafic mineral shows dark banding

Quartz, Feldspar have  Felsic mineral for light banding

High grade metmorphic rock which is formed due to regional metamorphism of lower grade rock

Chalk(CaCO3)

Color-White

Very fragile

Hardness-1

With acid gives effervescence.

4 0
3 years ago
Which is the energy biomolecule for all living things?
jolli1 [7]

Answer:

Carbohydrates

Explanation:

Carbohydrates are made up of carbon, hydrogen, and oxygen make up carbohydrates. These biomolecules are the primary sources of energy of living things, including humans. They are found in living organisms in the form of sugars, fibers, and starches. There are different types of carbohydrates like monosaccharides, disaccharades, and polysaccharide.

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3 years ago
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