A scientist is investigating how the amount of available water affects plant growth in a rainforest. Although all of Earth's spheres are interconnected, which of Earth’s spheres does the scientist’s investigation focus on?
Answer
A
the geosphere and the hydrosphere
B
the hydrosphere and the biosphere
C
the biosphere and the geosphere
D
the geosphere and the atmosphere
Explanation
The investigation examines how available water affects plant growth. Water belongs to the hydrosphere, and plants are living things in the biosphere. Therefore, the focus is on the hydrosphere and the biosphere.
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