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Rama09 [41]
3 years ago
5

Name two natural forces that can shape valleys and mountains?

Biology
2 answers:
RideAnS [48]3 years ago
7 0
Volcanoes and erosion.
belka [17]3 years ago
6 0
Some of many natural forces include tornados, erosion, and  tectonic plates shifting ( earthquake )
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Some of the functions of the skin include all of the following except: Group of answer choices Protect underlying tissues. Regul
Sav [38]

The one that is not a function of the skin is making new blood cells.

<h3>What is skin?</h3>

Skin is considered a protective layer that covers all your body. This layer is essential for many reasons.

<h3>What are the functions of skin?</h3>

The main functions of this organ include:

  • Regulating temperature.
  • Producing Vitamin D after sun exposure.
  • Protecting other structures including inner tissues and organs.

However, it is not a function of the skin to produce new blood cells, this process occurs inside the bones in an area known as brown marrow rather than in the skin.

Learn more about skin in: brainly.com/question/3859045

5 0
2 years ago
Stellar evolution is the life cycle of a star. A cycle suggests that upon death of a star, another star is born. How is this pos
ANTONII [103]
This is possible because when a star dies, it basically expands to its maximum (explodes). Therefore, the materials of the exploded star mix with the primeval hydrogen of the Universe. Later, other stars are formed out of this mixture. Thats also how the sun was formed. :)
5 0
3 years ago
Make a concept map that shows how photosynthesis and cellular respiration are related
lara31 [8.8K]
In plants, photosynthesis, occurring in chloroplasts, is an anabolic (bond-building) process whereby CO2 and H2O combine with the use of light (photon) energy. This yields O2 and sugar (i.e. glucose). This occurs in 2 phases: light-dependent and dark (Calvin cycle) reactions, which both continually recycle ADP/ATP and NADP/NADPH.
The catabolic (bond-breaking) process in plants is cellular respiration, in which glucose is broken down with O2 by glycolysis (cytoplasm only) and mitochondrial reactions (Krebs cycle and E.T.C.) to yield CO2 and H2O. These reactions recycle ADP/ATP and NAD/NADH. The CO2 and water produced by cellular respiration feed into the photosynthetic processes, and in turn, the O2 and glucose resulting from photosynthesis supply the respiratory reactions.
8 0
3 years ago
Which skill is critical for a career in marine biology?
leonid [27]

The answer could be either B or D. Both are important for marine biology. I would have to say D is the best answer though!

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3 years ago
A scientist has a very small sample of DNA. To analyze the DNA, which would be the MOST USEFUL first step for the scientist to f
Karo-lina-s [1.5K]

Answer:

B. Use the polymerase chain reaction (PCR) to make multiple copies of the DNA.

Explanation:

The scientist is to analyze a small sample of DNA, the most useful step to start this would be first the use of polymerase chain reaction to make various copies of that DNA sample. PCR is essential and quick process that gives a lot of copies within few hours. It uses the sample or target DNA, according to which the primers are designed. Taq polymerase and DNA polymerase are also used in the process, it consist of various cycles in which copies are made. There are three basic steps 'Denaturation', 'annealing', and 'extension'.

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3 years ago
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