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3 years ago

How do you think the rock layers and fossils found in Red Rock Canyon can provide evidence for Earth's geologic history?

Biology

1 answer:

Bogdan [553]3 years ago

8 0

Answer and Explanation:

Red Rock Canyon is an area of universal geologic interest, located a few miles west of Las Vegas within the Mojave Desert. Many experienced geologists visit the Red Rock; they are surprised by the vivid colors of rocks, natural beauty, and rock formations. A visual display takes million years to make the masterpiece known as the Red Rock Canyon National Conservation area. About 500 million years ago, Red Rock Canyon was found at the bottom of an ocean basin. Limestone accumulated in this ocean basin, which contains the fossils of sea life. The tracks of two-footed meat-eating dinosaurs have been found in the Aztec Sandstone. The tracks of small animals such as spiders, scorpions, early mammals, and proto-mammals were also found. The fossils and rock layers that are found in Red Rock Canyon provide evidence for Earth’s geologic history. Paleontologists are still searching these areas.

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Represents the presence of the<br> rhesus protein on blood.

Roman55 [17]

AlohaS4

Answer & Explanation:

( Rh Factor ) represents the presence of the Rhesus protein in the blood.

( Rh+ ) blood contains the rhesus protein.

( Rh- ) blood does not contain the rhesus protein.

( Type O ) blood is the universal donor.

( Type AB ) blood is the universal recipient.

( Rh+ ) blood can receive Rh+ or Rh- blood.

( Rh- ) blood can receive Rh- blood.

Hope you found this helpful! <3

<em>~Aloha</em>

<em />

<em>Btw: This contains the full Edge question. So, if you're using Edge, just click "done" for each part of the question and answer it. :)</em>

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3 years ago

Describe the Watson and Crick model of DNA structure. How did it fit the data provided by Chargaff and the X-ray diffraction pat

icang [17]

DNA model given by Watson and Creek in the year of 1953 gave a very detailed study regarding the structure of B DNA which is valid till date and is essentially corroborating with Chargaff's data and Xray diffraction pattern.

<h3><u>Explanation:</u></h3>

The DNA is the most common nucleic acid found in the living organisms as a genetic material. As stated by Watson and Creek, this DNA contains a double helical structure with two sugar phosphate backbones and the nitrogen bases getting projected from it inwards. The backbones are formed of ribose sugar and phosphate and joined together with a phosphodiester bond. The ribose sugar is attached to phosphates at its 3' and 5' Carbon atoms. The nitrogen bases found in DNA are Adenine, Guanine, Thymine and Cytosine. The Adenine has two hydrogen bonds with thymine and guanine has 3 hydrogen bonds with cytosine.

Each full turn of a helix is 34A and each base pair is 3.4A apart. The distance between two strands of DNA is 20A.

Chargaff's rule regarding the equal amount of adenine and thymine as well as guanine and cytosine is matching with this structure. All the other rules also do match with this DNA structure.

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3 years ago

How is polyploid is used in the field of agriculture?

GuDViN [60]

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2 years ago

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Alexxx [7]

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3 years ago

A ball is dropped from a window and takes 2 seconds to reach the ground. It starts from rest and reaches a final speed of 20 m/s

Lerok [7]

The answer is 40 m, because you must cross multiply by using proportions.
I showed my work below.

3 0

3 years ago