A big tree falls in a forest but its roots are still in contact with the soil.
The branches of this fallen tree grow straight up (vertically). This happens in response to
(a) water and light
(b) water and minerals
(c) gravity and water
(d) light and gravity
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Solution
(d) light and gravity
It is because a plant stem grows towards the light in the upward direction against the force of gravity.
Is there an error in this question or solution?
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