The correct answer is - C. ecosystems.
The ecosystem represents a biological community of organism that interact between each other, and are dependent on one another for their survival, and their physical environment where they live and prosper.
Desert; arid places with very little rain, hot, and with little biodiversity, occupy parts of the western and southwestern part of the United States, and northern part of Mexico.
Tundra; very cold, little precipitations and the one it has comes in snow form, most of the year is winter, occupies the places around the Arctic circle.
Grassland; lowlands dominated with grass, found in the central part of the continent, at what is known as the Great Plains.
Chaparral; Found in California, and Baja California, semi arid place, dominated with evergreen shrubs known as chaparral.
<span> Romania has one of the happiest cemeteries on Earth!!
tucked away in a tiny village of maramures county, near the ukrainian border, the merry cemetery(cimitirul vesel) is not only a very unique burial site, but also an open-air museum and a tourist attraction in its own right, designed in 1940 by the local woodcarver stan lon patras.</span>
It was a major step in the big cultural ( and ethnic and religious) shift in the Americas: From the Indigenous cultures to European ones. The Aztecs and the Incas were the only empires strong enought to stand a chance against the conquerors, and when they failed, the whole continent basically "stood open" for the colonizers, who would then encounter only limited resistance.
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The answer is A i briliev:)
The meaning of a slogan is basically a motto.. for example "just do it" (nike)
they are used in advertising :)