Biomes on earth have exhibited changes throughout history that have been caused by a variety of factors. over the past 50 years, the amount of tropical rainforest acreage found throughout the world has decreased from 14.8 billion acres to 8.6 billion acres due to deforestation. what factor is likely most responsible for the changes observed in the world’s rainforests?
a.
volcanic activity
b.
human activity
c.
temperature changes
d.
solar eclipses

The right answer is B

There are links between human activities and our modern culture, the different types of impacts that these activities induce, the major environmental crises that strike the Earth and the impacts on the populations. These links make us realize that we need to adopt new ways of living that respect the functioning of earth processes and the integrity of nature.

Human activities are at the root of the environmental problems plaguing the planet and human beings. There are also five aggravating factors, of a "cultural" nature taken in its broadest sense, which are population growth, the growth of the wealth of certain populations, technological innovation (complexification), governance failures, and social behavior.

the answer is d.) homologous; have mammary glands

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