The correct option is B
Uranium is a radioactive element and its mining has many disadvantages. Th principal disadvantage of uranium mining is its radiations, which can cause severe health problems. The mining of uranium also have serious negative impacts on both air and water. Both the quality and the quantity of surface water and underground water are usually affected negatively by uranium mining.
Answer:
The causes of unemployment in high-income countries of the world can be categorized in two ways: either cyclical unemployment caused by the economy being in a recession, or the natural rate of unemployment caused by factors in labor markets, such as government regulations regarding hiring and starting businesses.
True. If we all work together to conserve our resources, then the earth will be able to sustain its human population. In this century, many people don't really care about conserving resources because they are too careless to think about how much resources we are wasting on a daily basis. If everyone realizes how much resources we are wasting and helps to conserve them, than earth will have sufficient resources to sustain its human population.
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Answer:
a. Let us consider that L is responsible for late and l is responsible for early. From the mentioned data, it can be concluded that allele L or late is dominant over early. By crossing plants 1 and 4 we get the expected ratio of 3: 1, which shows that it follows Mendel's law of dominant.
b. The genotype of all the four plants are:
1st plant = Ll
2nd plant = ll
3rd plant = LL
4th plant = Ll
c. If the plant 1 is self-fertilized then the expected progeny will be 3 (late): 1 (early).
In case if the 2nd plant is self-fertilized, the expected progeny will be only early.
In case if the 3rd plant is self-fertilized, the expected progeny will be only late.
In case if the 4th plant is self-fertilized, the expected progeny will be 3 (late): 1 (early).
