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3 years ago

How can volcanoes and rivers be both constructive and destructive forces

Biology

2 answers:

Gala2k [10]3 years ago

8 0

Answer:

Volcanoes can be constructive if they happen in the ocean, as they can form islands and therefore be new places for plants and animals to grow and thrive.

Volcanoes can be destructive if they kill a large amount of animals by forming on land.

Hope this helps :)

Gre4nikov [31]3 years ago

3 0

A volcano can destroy trees and buildings, but at the same time it can form islands and piles of rock. A river slowly washes away pieces of a rock, but at the same time it deposits the rock somewhere else and creates a new formation. Hope this helps !

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The resurrection fern (Pleopeltis polypodioides) grows on the bark of southern live oak trees (Quercus virginiana). Resurrection

inna [77]

Answer:

Option B

Explanation:

In biology, fitness refers to the ability of an organism to survive, reproduce, mate and support evolution through gene transfer. A fitness of 0.28 signifies that only 28 percent of a given population are fit physically and able to reproduce while the remaining 72 % are unable to mate and hence cannot reproduce and contribute towards gene flow and evolution.

Hence, option B is correct

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3 years ago

"Exhaled air containing __________ bubbles into water and reacts with water to produce carbonic acid. This will cause the soluti

Lera25 [3.4K]

Answer: Exhaled air containing Carbon dioxide bubbles react with water to form carbonic acid . The solution turn acidic and turn from green to yellow.

Explanation:

Exhaled carbondioxide bubbles reacts with water to form carbonic acid, the solution will turn acidic. Carbonic acid is a weak acid that decrease pH. An indicator of it shows that the solution turns from green to yellow.

Co2+ H2O= H2Co3.

The solution then dissociate to give H ion and hydrogen carbonates ion.

4 0

3 years ago

What is the difference between cohesion and adhesion.

marshall27 [118]

Adhesion is the force of attraction between two dissimilar molecules or substances, and Cohesion is the force of attraction between two similar substances or molecules. An example for adhesion is the force of attraction lying between the walls of xylem vessels and the water molecules, and an <span>example for the cohesion forces is the force of attraction between the water molecules.</span>

5 0

3 years ago

1. Many early farmers of the Western U.S. plains believed a theory called

tekilochka [14]

Answer:

Explanation:

because when you plough your field for crops to grow rain falls for the crops to yeild well

4 0

3 years ago

Can anyone tell me the ratio of the genotype and phenotype ???

iogann1982 [59]

<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2><h2>_____________________________________</h2><h2>Phenotype:</h2>

It is the physical appearance of the trait, whether the person has smooth chin or cleft chin.

<h2>Genotype:</h2>

A genotype refers to the genetic characteristics of an organism's trait, if it is heterozygous or hom.ozygous, recessive or dominant.

<h2>_____________________________________</h2><h2>Alleles:</h2>

Cleft chin C is dominant over smooth chin c

<h2>Genotypes of Parents:</h2><h3>FATHER:</h3>

Father has smooth chin thus, it is hom.ozygous recessive i.e. cc

<h3>MOTHER:</h3>

Mother has cleft chin, since cleft chin is dominant there are two possibilities of her genotype,

Heterozygous Dominant : Cc

Hom.zygous Dominant : CC

but if we cross the hom.zygous fominant mother to hom.ozygous recessive father we will get all the offsprings with the same genotype phenotype so it is not possibile, So the mother is HETEROZYGOUS DOMINANT Cc

<h2>_____________________________________</h2><h2><u>Question</u>:</h2><h2>_____________________________________</h2><h2>Genotypes of Parents:</h2>

FATHER: cc (Hom.ozygous Recessive)

MOTHER: Cc (Heterozygous Dominant)

<h2>_____________________________________</h2><h2>Punnet Square:</h2>

Picture attached!

Picture no 1: it is the cross between hom.ozygous recessive father and hom.ozygous dominant mother and all the offsprings are same both phenotypic and genotypic way so IT IS NOT POSSIBILE

Picture no 2: Its cross between hom.ozygous recessive father and heterozygous dominant mother and there are hybrid and pure recessive both type of offsprings present thus IT IS POSSIBLE!

<h2>_____________________________________</h2><h2>Genotype Ratio of the Offspring:</h2>

Hybrid : Pure Recessive

2 : 2 or 1 : 1

<h2>_____________________________________</h2><h2>Phenotype Ratio of the Offspring:</h2>

Cleft Chin : Smooth Chin

2 : 2 or 1 : 1

<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2><h2 />

5 0

3 years ago