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Tamiku [17]
2 years ago
9

Describe 3 values that the biosphere provides

Biology
1 answer:
inysia [295]2 years ago
5 0

the first value that biosphere provides is genetics which provides variety of genes in population. the second value that biosphere provides is species which is an abundance of each species in a biological community. the last value the biosphere provides is the ecosystem with variety of ecosystems that are present in the biosphere.

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How much guanine is in a salmon
USPshnik [31]

Answer:

It should be 22% (correct me if I'm wrong)

Explanation:

In the DNA of salmon there is 28% Adenine, and 28% Thymine. So the rest 44% of that will be Guanine and Cytosine. (Guanine pairs only with Cytosine) Therefore, Guanine and Cytosine will have same percentage, which will be 22% each in the DNA of salmon. And then Guanine and Cytosine together is 44%, like I already mentioned. So Guanine alone has 22%.

8 0
3 years ago
What experimental evidence led to the development of this atomic model from the one before it? A few of the positive particles a
Elena-2011 [213]

Answer:

A few of the positive particles aimed at a gold foil seemed to bounce back.

Explanation:

Rutherford gold foil experiment led to the discovery that every atom has a nucleus, its mass and all the positive charge are concentrated in it and also that most of the atom is mostly empty space.  

It was performed in 1911 by Rutherford and his coworkers Ernest Marsden and Hans Geiger. They bombarded fast moving alpha particles on thin sheets of gold foil.

Most of the alpha particles passed through the sheet while few were deflected from their straight path. A small percentage of particles also bounced back from the foil. Since the alpha particles are positive so there must have been something positive inside the atoms that deflected and bounced back the alpha particles. So it led to the conclusion that the center of atom is positively charged.

<u><em>His experiments overturned Thomson's atomic model. His atomic model failed to explain the stability of atom.</em></u>

4 0
3 years ago
A fever, swelling, inflammation, and a running nose are known as what type of immune response?​
Strike441 [17]

Answer:

innate immune response

Explanation:

7 0
2 years ago
Which process MUST occur before mitosis and meiosis can occur
Troyanec [42]
The DNA has to replicate before mitosis and meiosis can occur. 
5 0
3 years ago
As the Earth formed, naturally occurring radioactive material _____________. increased the planet’s gravity disappeared heated t
kobusy [5.1K]

When the Earth formed, the radioactive materials that naturally occurred in the environment heated the planet. These radioactive materials generate heat when they decay. This heat generated is then transferred to the surface of the Earth.

The radioactive materials have no role in increasing the gravity of the Earth or poisoning the soil. Moreover, the naturally occurring radioactive materials are still present and has not disappeared.

Hence, the answer is heated the planet.

4 0
3 years ago
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