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vovangra [49]
3 years ago
15

Earth is composed of layers of material with different properties. Which

Biology
1 answer:
Irina-Kira [14]3 years ago
4 0

Answer:

mantle

Explanation:

A mantle is a layer inside a planetary body bounded below by a core and above by a crust. Mantles are made of rock or ices, and are generally the largest and most massive layer of the planetary body. Mantles are characteristic of planetary bodies that have undergone differentiation by density. All terrestrial planets (including Earth), a number of asteroids, and some planetary moons have mantles.

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Which of these infectious, viral diseases affects the immune system and can cause major damage to organs such as the liver and b
fiasKO [112]

Syphilis I believe..

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3 years ago
The C. elegans genome is about 100,000kb. If C elegans genomic DNA is digested with XbaI, which recognizes and cleaves the seque
nasty-shy [4]

Answer:

25000 fragments

Explanation:

A restriction enzyme can cut a random DNA sequence once per every 4^n where n = number of bases in the recognition site of enzyme.

There are 6 bases in Xbal's recognition site (TCTAGA) so it will cut once per every 4^6 = 4096 bases (4kb).

Total genomic size = 100000kb

So expected number of fragments = Total genomic size/Size of one fragment

= 100000/4

= 25000 fragments

5 0
2 years ago
What have the scientific studies identified as the major cause of acid rain in the united states?.
Vadim26 [7]

Burning of fossil fuels that release sulphur and nitrogen compounds into the air is identified as the major cause of acid rain in the united states.

<h3>What are the causes of acid rain?</h3>
  • Acid Rain is created when sulphate and nitrogen oxides from the atmosphere react with rainwater and fall as a result.
  • Sulphur and nitrogen particles that mix with the wet elements of rain are the main causes in the production of acid rain.
  • Due to air pollutants, notably the excessive levels of sulphur and nitrogen released by machinery and industrial operations, acid rain is made up of water droplets that are extremely acidic.
  • The emissions that are released from industries are man-made causes.
  • The natural causes, such as lightning strikes in the atmosphere that release nitrogen oxides and volcanic eruptions that release sulphur oxide.

The complete question is :

What have the scientific studies identified as the major cause of acid rain in the United States?

a )chemicals still in the atmosphere from the asteroid collision with the earth

b) excess solar radiation due to the depletion of the ozone layer

c) volcanic ash in the air

d) burning of fossil fuels that release sulphur and nitrogen compounds into the air

To learn more about acid rain , refer:

brainly.com/question/6700006

#SPJ4

3 0
1 year ago
The ability of the heart and lungs to supply oxygen to the body is called
Tems11 [23]
The answer for the above question is Cardiovascular fitness. It is the ability of the heart, lungs, and blood vessels to function efficiently when a person exercises. Cardiovascular system is the body system that includes the heart, blood vessels, and blood, and functions by transporting oxygen and nutrients to body cells and removing cellular wastes. Cardiovascular endurance on the other hand is the ability of the body to work continuously for extended periods of time. 
8 0
3 years ago
The Honeydough Bread factory produces 2,000 loaves of bread per day.
Tasya [4]

Alcoholic fermentation; carbon dioxide. Alcoholic fermentation produces alcohol and carbon dioxide in bread. The alcohol evaporates during the baking process.



8 0
3 years ago
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