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Fed [463]
3 years ago
7

A scientist is studying a section of exposed sedimentary rock layers that are near a fault line (a

Biology
1 answer:
Umnica [9.8K]3 years ago
4 0

Answer:

Principle of cross-cutting relationships

Explanation:

The geologic principle that will provide the most profound explanation to this problem is the principle of cross-cutting relationships.

It states that "features that cross-cuts rocks are younger than the layer they cut through".

Some of these features are intrusions, faults and joints.

The logic behind this reasoning is that without the rock in place, the cross-cutting event wouldn't have been recorded.

We can liken this to a fracture on the wall of a building. If the wall is not erected, there wouldn't be any fracture. Therefore, the fracture is far younger than the wall.

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For what purpose is the mineral corundum commonly used?
prohojiy [21]

Answer:

D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.

5 0
3 years ago
How can the random distribution of alleles result in a predictable ratio?
levacccp [35]
Phenotypically and genotypically there are only two different ratios. If you think of a Punett square... 

<span>You could say that a pea plant with the trait for the dominant color green (G) could also carry the recessive trait for yellow (g). So let's say you mate a dominant green, (Gg) with another dominant green, (Gg). You would get 1 (GG), 2 (Gg) and 2 (gg). </span>

<span>Phenotypically (as in physical traitwise), the ratio is 3:1 because you have 3 green colored peas and one yellow. </span>

<span>Genotypically (as in traitwise), the ratio is 1:2:1, because you have 1 (GG), 2 (Gg) and 1 (gg). </span>

<span>So although it's random, for any specific trait there are only 4 different outcomes.</span>
4 0
3 years ago
PLEASE HELP ME NOW!!!! (NOT FOR BEGINNER)
Semenov [28]

Answer:

1. C.

2. D

3. D.

4. D.

Explanation:

1. Landslides can be initiated in slopes already on the verge of movement by rainfall, snowmelt, changes in water level, stream erosion, changes in ground water, earthquakes, volcanic activity, disturbance by human activities, or any combination of these factors.

2. Landslides are geologic phenomena that can happen suddenly or through imperceptively slow downslope movement. ... A "translational" landslide can happen rapidly and result in all of the soil on a hillside being stripped off and filling the area at the bottom of the slope.

3. Sedimentary rock contains fossils because it was built up layer upon layer, often trapping and preserving animals, plants, footprints, and more within the layers of sediment.

4. The Uplift of the Colorado Plateau. The Kaibab Limestone, the uppermost layer of rock at Grand Canyon, was formed at the bottom of the ocean. ... The action of plate tectonics lifted the rocks high and flat, creating a plateau through which the Colorado River could cut down.

<em>Hope this helps! :D</em>

6 0
2 years ago
Read 2 more answers
How does the carrying capacity of the ecosystem for the white footed mouse respond to the changes in the amount of parasites? Co
9966 [12]

Answer:

See the answer below

Explanation:

<em>The carrying capacity of the ecosystem for the white-footed mouse reduced in response to the changes in the amount of worm infected mice in the population.</em>

The carrying capacity of an ecosystem for a particular population of organisms is the maximum number of organisms the ecosystem can support based on the resources it has.

<u>The ideal carrying capacity of the ecosystem for the white-footed mouse oscillates between 36 to 40 in graph 1. The carrying capacity range reduced in graph 2 from 36 - 40 to 30 - 36 as a result of changes made to the number of mice infected with parasitic worms in the population of the animal. </u>

Thus, the introduction of more worm-infected mice into the population probably put more pressure on the ecosystem resources thereby reducing the carrying capacity.

3 0
3 years ago
Given the preliminary diagnosis of furious rabies, how should you proceed with the nurse who your patient bit?
Damm [24]
Wash the wound with soap and water. Administer vaccination. If the patient who bit the nurse had furious rabies, the patient was excited and hyperactive. The patient will die in a few days. Human to human transmission through bites is potentially possible, but has never been confirmed, according to the World Health Organization. Still, rabies causes death, so wash the nurse's wound thoroughly for 15  minutes with soap, water, detergent and iodine, administer rabies vaccine and administer immunoglobulin against rabies. 
6 0
3 years ago
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