The correct definition of biodiversity is the following: Biodiversity is the variance of plant and animal species within an environment. Correct answer: C
The term biodiversity denotes the variety of life on Earth: variety of flora and fauna. It includes species, genetic, and ecological diversity. Without biodiversity the life on earth would be impossible.
The first consequence that the partition of India had was the relocation of between 14-16 million people. Hindu and Sikhs who lived in the area that is now Pakistan moved to the territory of India, while Muslims in Indian territory followed the opposite route. This had an impact not only on the lives of the migrants, but also on the culture of the new nations.
Another effect was that the population of Pakistan was extremely homogeneous in terms of religious identity. Less than 2% of its population was not Muslim by 1951. In turn, this complicated the political situation of Muslims in India.
Finally, a consequence of the partition is the fact that there are still disputed territories between the two nations. One of this is the region of Kashmir, which interests both nations mainly because of its economic significance.
Explanation:
A) How much of the parent (X) and how much of the daughter (Y) were present at the time the rock formed? Choose one of the following and explain why
Answer : C) X = 100 % ; Y = 0 %
At the time when the rock was formed, we would have 100% of the parent and 0% of the daughter.
When a radioactive element in rock initially crystallizes, we will only have the parent isotope inside with no trace of the daughter isotope.
A radioactive material is one that spontaneously disintegrates. It produces the daughter stable isotopes as it emits radiations in the process.
The daughter isotope is the stable form of the parent. So when a rock forms, the daughter would not have been produced.
B) X = 50 % ; Y = 50 %
After the time 5730yrs has elapsed, we are going to have both daughter and parent in the ratio 50% to 50%.
The half-life is the time taken for half of a radioactive isotope to decay to half of its original component.
When a radioactive element is decomposing, it will produce daughter isotopes.
At the half-life time, the parent would have disintegrated by half and produced half of the daughter.
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A deciduous forest, as a coniferous forest is generally evergreen, a desert’s trees rarely bear leaves, and a rainforest is clearly not depicted in the image.
Answer:
In general, liberals and younger people are more concerned about climate change than conservatives and older people.
Explanation:
Climate change has been becoming an ever-growing issue during the 20th century and continuing into the 21st century, and rightly so. Human activity has managed to do a lot of harm to nature and cause a total transformation of whole regions, which also has had climatic influences. The amount of greenhouse gases that are released into the atmosphere is speeding up the natural process of warming up, which can have catastrophic consequences.
Not all people share the same views on this though. The liberals and younger people tend to be highly concerned about climate change, or rather the influence of humans on it. Their concerns are based on the damage that the humans are doing with their activity, though in some cases there are fractions that are very extreme in their views. On the other hand, conservatives and older people tend to be less concerned about this. Generally, they claim that the human impact is like a drop in the ocean and that with or without it there will be climate changes caused by natural factors. Also, they also tend to put economic progress in the first place.
