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3 years ago

The natural chemical or physical processes that breaks down rock on Earth's surface.

Biology

2 answers:

REY [17]3 years ago

8 0

Answer:

it's called weathering of rocks and is a physical process

rusak2 [61]3 years ago

6 0

Answer: The answer to what breaks down rocks on Earth Surface is abrasion.

Explanation: It breaks down the surface when it olds or edges

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After the Aswan High Dam was built on the Nile River, the rate of parasitic blood-flukeinfection doubled in the human population

RoseWind [281]

Answer:

b.the influence of humans on a natural system can have unpredictable negative impacts

Explanation:

The situation described best illustrated the fact that the disturbance of natural ecosystem by humans can have unpredictable negative impacts.

Option c is incorrect because human alteration of the ecosystem needs to be continuously studied to avoid ecological disasters.

Option d is incorrect because alteration of the ecosystem does not always end up in the pollution of the ecosystem and loss of finite resources.

While human alteration of the natural ecosystem often have long term negative impacts, many of these impacts can not be predicted until they happen. This makes option b to be more complete than option a.

The correct option is b.

5 0

3 years ago

Which organisms in a population survive to reproduce?

Ilya [14]

Those who inherit the most favorable characteristics that allows adaptation to their environment.

3 0

3 years ago

A woman's father has ornithine transcarbamylase deficiency (OTD), an X-linked recessive disorder producing mental deterioration

ruslelena [56]

Answer:

Part A - Dd

Part B - 50%

Part C - Option E

Part D - dY

Part E - 50%

Part F - 50%

Explanation:

Given,

Let the allele for dominant trait (wild type) be "D" and the allele for recessive ornithine transcarbamylase deficiency (OTD) be "d"

A X-linked recessive gene affects male offspring in a family tree though a female remains a carrier until it mates with a male with the a recessive diseased allele.

Part A

Father's genotype would be Dd. Hence it will pass d gene (X diseased gene ) to her daughter.

Thus , Woman's genotype is Dd

Part B

Genotype of Normal man - DD

DD * Dd

DD, Dd, Dd, DD

One of the two males will have ornithine transcarbamylase deficiency (OTD), an X-linked recessive disorder producing mental deterioration hence, the probability is 50%

Part C

Option E is correct

Only one of the female offspring will have ornithine transcarbamylase deficiency (OTD), an X-linked recessive disorder which will be expressed if other allele is also X linked recessive.

Hence, The chance of being a carrier will be one out of two female offspring i.e 50% and and chance of having OTD is 0%

Part D

Part E

dY * Dd

DY, dY, dD, dd

one out of the two female is diseased. Hence, the probability is 50%

Part F

50%

3 0

4 years ago

charles darwin developed the theory that explains how new species develop based on evidence from many different kinds of scienti

mixer [17]

The scientists who provided this hypothesis had an idea that the species evolved in order to accommodate their needs on certain islands. For instance, an example is beak size of certain birds which Darwin thought that this was to eat certain foods.

3 0

3 years ago

Read 2 more answers

Name the layers of earth starting at the crust and going in. describe the composition of each layer.

Leona [35]

1. Atmosphere (gas)
2. Oceans (Water)
3. Crust (Light colored, low density rock)
4. Mantle (Dark colored, high density Rock)
5. Core (Iron + Nickel)

6 0

3 years ago

Read 2 more answers