In a photo-tropic experiment, young seedlings in a box were subjected to light from one direction. The seedling continue to grow erect. Which of the following statement is correct A. Only the tip of the seedling received the light
B. The light was not strong enough
C. The seedlings were rather too young
D. The tip of the seedling may have been covered
E. The box containing the seedling should have been placed on a laboratory bench

It could be that B, that the light wasn't strong enough

Explanation:

I'm not sure, but the plant didn't grow towards the light, so that's a possible answer I saw

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.