Biology, 07.11.2019 15:31 nikki8240

What system includes the core, mantle, and crust of the earth? a. geosphere b. hydrosphere c. atmosphere d. biosphere

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Four major subsystems called "spheres." --the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).
biota- the total collection of organisms of a geographic region or a time period, from local geographic scales and instantaneous temporal scales all the way up to whole-planet and whole-timescale spatiotemporal scales. The biota of the Earth lives in the biosphere.
photosynthesis- the process of converting light energy to chemical energy and storing it in the bonds of sugar. occurs in plants and some algae (Kingdom Protista). Need only light energy, CO2, and H2O to make sugar.
I'm betting on D. photosynthesis, which links biological organisms to the air, land, and water.

Answer from: ooorozco

The correct option is a. Geosphere

Explanation:

The geosphere is the solid and rocky system of the Earth, it is composed of three layers, ranging from the outermost to the innermost and have different characteristics: the crust is the outermost layer and is composed of rocks, which are mostly formed by different elements among which are oxygen, aluminum and silicon. The mantle is the intermediate layer, located under the crust, which has denser rocks, containing silicates, its temperature is higher than the crust's temperature. And finally, there is the core, which is the deepest part of the geosphere, where the earth's magnetic field is formed.

Answer from: Quest

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

Answer from: Quest

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

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