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Diano4ka-milaya [45]
2 years ago
13

Do you believe that humans are impacting Earth's crust through fossil fuel extraction? Why or why not?​

Biology
1 answer:
allochka39001 [22]2 years ago
5 0
Humans impact the physical environment in many ways overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
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What is the electromagnetic spectrum? Where does it come from?
Ganezh [65]

Answer:

The electromagnetic (EM) spectrum is the range of all types of EM radiation. Radiation is energy that travels and spreads out as it goes.the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation.

4 0
3 years ago
In fruit flies, curved wings (w) are recessive to the dominant straight wings (W), and ebony body (b) is recessive to the domina
lara [203]

Answer:

The correct answer =

parents : WwBb x wwbb

offspring :

WwBb, Wwbb, wwBb, and wwbb

Explanation:

It is given that the straight wings (W) is dominant over curved wings (w) and the ebony body (b) is recessive to the dominant gray body (B) and there is a cross between curved wings and ebony body and straight wings and gray body is made. The phenotypic ratio is: 1:1:1:1 for the four different phenotypes straight gray, straight ebony, curved gray, curved ebony.

It is not given the genotype of parents, however, for the curved and ebony fly, it is clear that both alleles are recessive as recessive alleles only appear in absence of the dominant allele of the trait.

For another parent, the possible genotypes can be  WWBB or WwBb, however in the case of WWBB the phenotypic ratio would not be equal therefore,

crossing WwBb x wwbb

This can be represented in the form of a punnett square as below:

          wb   wb           wb           wb  

WB WwBb WwBb WwBb WwBb Straight wing, Gray body

Wb Wwbb Wwbb Wwbb Wwbb Straight wing, Ebony body

wB wwBb wwBb wwBb wwBb Curved wing, Gray body

wb wwbb wwbb wwbb wwbb Curved wing, Ebony Body

The phenotypic ratio is: 1:1:1:1 for the four different phenotypes

4 0
2 years ago
A process that occurs at ribosomes where proteins are made from the information found in rna is what
rosijanka [135]
Is called protein synthesis .
6 0
3 years ago
What is the relationship between gaps and fossils?To find fossil evidence to fill the largest remaining gap in whale evolution,
Over [174]

Answer:

To find the fossil evidence to fill the largest remaining gap in whale evolution, you would search age sediment of 37MYA-46MYA.

Explanation:

Fossils are the dead remains of living organisms. The gaps between the fossils usually point out the uncertainties in the understanding of precisely how species are evolved. However, the gaps do not indicate the weakness in the theory of evolution itself. There are many gaps in the fossil records that continue to shrink with time as new fossils are discovered. The gaps are contingent features of fossil records.

Secondly, to discover the fossil evidence to fill the largest remaining gap in the evolution of whale, you would search the age sediment of 37MYA-46MYA.

7 0
3 years ago
Name two diseases caused by brain cell damge
Ivenika [448]
2 disease could be Stroke and Trauma
4 0
3 years ago
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