17. All life on Earth under the atmosphere, including the lithosphere and the hydrosphere is ...(1 point)
Responses
[Choice A] a single ecosystem
[Choice A] a single ecosystem
[Choice B] a single biome
[Choice B] a single biome
[Choice C] the biosphere
[Choice C] the biosphere
[Choice D] the hydrosphere
1 answer
[Choice C] the biosphere