Question one: A. Ecuador D. Peru E. Chile
Question two: F. none of the above
Question three: A. Guyana
Question four: A. Venezuela
Question Five: B. Brazil
Question six: C. Chile
Environment is the nature and surroundings in which all plants, animals, humans and other living beings live and operate. Every living and non-living thing is related to environment. Environment plays a major role in giving birth to a new life, in the growth of a life, survival of the life and the over-all well-being of any life. It provides us with fresh air that we breathe, water that we drink, food that we eat and almost all the resources for our survival.
Environment also provides us with several other natural resources that are very important. Natural resources are the resources that environment gives us naturally without we creating it. It includes sunlight, atmosphere, land, water, plants, animals, sea life, minerals, different species and everything that occurs naturally on earth. It provides us with the resources such as fuels, metals, and most forms of energy to use.
Yet we are exploiting environment with the activities that harm environment and are overusing the resources. Human activities transform the natural environment in to human environment by constructing buildings, industries, firms and using the landscapes for the purpose of development. It is vital to use the natural resources carefully and avoid harming the nature for the healthy and naturally wealthy life.
The Cold War occurred around just 30 years after the communist revolution in Russia.
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When a population exhibits adaptation, it indicates that the population has responded to a pressure from the environment in a way that causes the prevalence of beneficial features to rise over time.
Natural selection only affects heritable traits in populations, favoring advantageous alleles and reducing the frequency of harmful alleles, a process known as adaptive evolution. Natural selection only affects heritable traits in populations. However, natural selection affects whole organisms rather than specific alleles. A person may have a genotype that is extremely advantageous and a phenotype that, for example, boosts fecundity, but if that person also contains an allele that causes a fatal childhood ailment, the fecundity phenotype won't be passed on to the next generation.
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Many factors, both natural and human, can cause changes in Earth's energy balance, including: Variations in the sun's energy reaching Earth. Changes in the reflectivity of Earth's atmosphere and surface. And Changes in the greenhouse effect, which affects the amount of heat retained by Earth's atmosphere.
