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2 years ago

List 2 types of weathering and list all examples

2 answers:

6 0

Weathering breaks down and loosens the surface minerals of rock so they can be transported away by agents of erosion such as water, wind and ice. There are two types of weathering: mechanical and chemical.

baherus [9]2 years ago

3 0

There are 2 types of weathering; mechanical and chemical.

Mechanical weathering includes the eroding away of rocks by things like wind or water. The constant heat and cooling of a rock; certain minerals will shrink and grow, depending on the temperature an composition. Other examples include freezing rocks (The ice upon a rock will increase pressure upon it, causing it to slowly crack and fall apart) and exfoliation, which is where a rock breaks off into sheets, or layers.

Some examples of chemical weathering include hydrolysis (the breakdown of a substance when in contact of water), oxidation (reaction where a substance comes into contact with oxygen), carbonation (the combination of water with carbon dioxide; creating carbonic acid), and even animals could cause chemical weathering, like Lichen, who produce a certain acid that can dissolve rocks.

Hope this helps! :)

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3 years ago

Read 2 more answers

3.6 In mice, the allele C for colored fur is dominant over the allele c for white fur, and the allele V for normal behavior is d

KengaRu [80]

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a) Parents Genotype should be (CC,Vv) and (cc,VV).

b) The genotypes of the parents are (Cc,Vv) and (Cc,Vv).

c) The genotypes of the parents are (Cc,Vv) and (cc,vv).

Explanation:

Mating has occured between a normal colored mice whose genotype is C_,V_ and normal white mice with genotype cc,V_. The offsprings are as follows :

1) normal mice produced 29 colored

2) 10 colored, waltzing progeny.

Thus all offspring are normal. The genotype of the first parent should therefore be CC. Waltzing trait is produced. The V gene should therefore be heterozygous in both traits.

Hence The parent genotypes should be<u> (CC,Vv) and (cc,CV).</u>

In this case the approximate ratio in which the descendants are produced is 9:3:3:1. Hence genotypes of the parents are <u>(Cc,Vv) and (Cc,Vv). </u>

In this case the approximate ratio in which the offsprings are produced is 1:1:1. The genotypes of the parents are <u>(Cc,Vv) and (cc,vv). </u>

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3 years ago