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AfilCa [17]
3 years ago
6

GN people Here are some points Please friend me First one to answer gets a brainlist

Biology
2 answers:
MrMuchimi3 years ago
5 0
Thanks for the points <3
iren [92.7K]3 years ago
4 0

Answer:

thanks for the free points

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A scientist studied four pieces of fossil evidence that show the evolution of the modern-day man. These date back to 2 million y
muminat

Answer:

B: 0.5 million years

Explanation:

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3 years ago
Why is respiration known as energy releasing process?<br>​
lukranit [14]
Aerobic respiration occurs in the presence of oxygen producing a lot of energy, carbon dioxide and water. ... The energy released due to the breakdown of sugar molecule is stored in ATP. Each ATP molecule gives 7200 calories of energy. This energy is stored in the form of phosphate bonds.
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3 years ago
A communications satellite transmits a radio wave at a frequency of 9.4 x 10^9 Hz. What is the signal’s wavelength? Assume the w
sergejj [24]
To calculate this we will use the light equation:
c=λ*f

We have Frequency f=9.4* 10^{9}Hz.
We know that speed of light in vacuum is c =3.8* 10^{8} m/s.
Since a unit of speed of light is m/s, we can change the unit of frequency Hz to 1/s, since Hz means cycles per second (f=1/T).

So:
f=9.4* 10^{9}1/s
<span>c =3.8* 10^{8} m/s
</span>
<span>c=λ*f
</span>⇒ λ= \frac{c}{f}
⇒ λ= \frac{3.8* 10^{8}}{9.4* 10^{9}}
⇒ <span>λ</span>=0.04 m

5 0
4 years ago
In fact, one good working definition of science fiction may be the literature which, growing with science and technology, evalua
svp [43]

Answer:

Science fiction is a genre whose content is based on supposed scientific achievements that could be achieved in the future. This makes science fiction different from the fantastic genre, where situations and characters are the result of imagination.

Explanation:

Among its characteristics we can specify:

-Eminently narrative, although there are also rare forays into the world of poetry.

-Interested in the scientific and technological discourse.

-They have a certain margin of technological prediction, attributable to this genre inquires into the dreams and fantasies of humanity that science is determined to make reality.

Some examples:

-I'm a legend of Robert Matheson.

-Neuromancer of William Gibson.

7 0
3 years ago
Chap 2.3 biology;;
Murrr4er [49]

Answer:

Monomer: 2 - Amino acid

                 3 -Nucleotide

Polymer: 1 - Cellulose

               3 - Nucleic acids

Example: 1 - Carbohydrates

               2 -  Collagen

Function 1: Carbohydrates are a source of energy in the body.

Function 2: Collagen is the most abundant protein in the human body. It's a long, fibrous structural protein that supports tissues and gives structure to individual cells. Collagen fibers are tough and found in bundles. They providing tensile strength to the tissues containing them.

Function 3: DNA is a protein structure that carries instructions needed for an organism to develop, survive and reproduce. It is a nucleic acid that contains the genetic instructions for the development and function of living things, its main role is the long-term storage of information

Explanation:

Monomers are single molecules that can bond with identical molecules to form polymers.

1. Glucose can combine with other glucose molecules to form starch or cellulose which results in formation of carbohydrates.

Carbohydrates are a source of energy in the body.

2. Amino acids can combine with other amino acids to form a protein chain which results in formation of collagen

Collagen is the most abundant protein in the human body. It's a long, fibrous structural protein that supports tissues and gives structure to individual cells. Collagen fibers are tough and found in bundles. They providing tensile strength to the tissues containing them.

3. Nucleotides can combine to form nucleic acids resulting in formation of enzymes.

DNA is a protein structure that carries instructions needed for an organism to develop, survive and reproduce. It is a nucleic acid that contains the genetic instructions for the development and function of living things, its main role is the long-term storage of information

6 0
3 years ago
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