If the image contains life forms and living things, then it is the biosphere.
If the image contains frozen water bodies, such as the arctic tundra, it is the cryosphere.
If the image contains soil and other solid abiotic components of the Earth, then it is the geosphere.
If the image contains water in the liquid form, then it is the hydrosphere.
Answer:
C. photosphere, convective zone, radiative zone, and core
Answer:
analize data and draw a conclusion
The human reproductive system is regulated by the endocrine system.
Well theory isnt proven. It means you have a strong idea about the subject your talking about. So if a scientist finds evidence that suggests something against the theory then it can be changed.