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PolarNik [594]
3 years ago
6

What does it mean that human blood groups are codominant

Biology
1 answer:
Basile [38]3 years ago
8 0

alleles may be codominant—i.e., neither acts as dominant or recessive. An example is the human ABO blood system; persons with type AB blood have one allele for A and one for B. (Persons with neither are type O.)

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What kinds of environmental problems result from population growth in (a) developing countries and (b) developed countries? Whic
Alecsey [184]

Answer:

Environmental problems result from population growth in:

a) Developing countries-

  • Air pollution due to burning of fuels and wood.
  • Water and soil pollution due to improper waste disposal.
  • Improper resource use due to illiteracy etc.

b) Developed country-

  • Overuse of natural resource
  • Deforestation.
  • Air pollution due to increased number of industries and automobiles.etc

Explanation:

A developing country is the one which is economically backward and are still combating poverty and illiteracy.

The major reason behind the population growth is illiteracy and unsafe coitus.

This results in unwanted childbirth.

The second  reason is the want for earning members to support the family.

Increasing population creates an outstanding demand of resources and creates a pressure on environment.

More and more fuels are burned and hence add up to air pollution.

Improper disposal of waste is also a major issue in these countries as most of the people being illiterate are unaware of proper ways of disposing such waste.

A developed country is at the epitome of economic growth.

The major reason behind the population growth in these country is the immigration of people from developing countries.

Being economically advance , these countries can afford best of technologies that make the utmost use of resources available.

Increase demands of settlements, industries and resources has lead to clearing of large  forest lands and deforestation.

Industries and automobiles has added up to the air pollution too.

According to me the effect of population growth in developed countries is a greater threat because these lead to overexploitation of resources by technology. more the population will grow the demand for development will also grow. Thus, this is quite difficult to control.

In case of developing countries, proper education and training will create difference to a greater extent.

4 0
3 years ago
Which type of alternative energy can produce ethanol? A. hydropower energy B. solar energy C. biomass energy D. wind energy
Lady bird [3.3K]

Answer:

C. biomass energy

Explanation:

Alcohol may be formed in the process of biochemical changes in the decay of live matter.

3 0
3 years ago
Read 2 more answers
A sexual reproduction and _____ involve the production of new cells from a single parent cell. The chromosomes in these new cell
Orlov [11]

Answer:

meiosis,half.

hope it's correct.

4 0
3 years ago
Which statement explains how the fossil record supports the theory of evolution?
mr_godi [17]

It's B

Explanation:

Because the fossil record shows how organisms have evoluate from relatively simple organisms to more complex organisms

4 0
3 years ago
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What best describes the cell theory
kirza4 [7]

The cell is fundamental unit of structure and function in living organisms .All cells arise from pre-existing cells by division . The cell theory states that the cell is the basic unit of life and that all other cells are developed from an existing cell. This theory was developed way back in the mid of 17th century.

3 0
3 years ago
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