This is a question with answer options. Goal: how to water a tree?

Which of the following methods is more reasonable for accomplishing this goal?

Select from the following. a. Bring a container of juice to a tree. Tilt the container so that juice comes out of it, and make the juice fall near the roots of the tree.; b. Bring a container of water to a tree. Tilt the container so that water comes out of it, and make the water fall near the roots of the tree.;...I think the answer is
b.