[Q]: Which of the following solutions is better for the following goal:
how to mix concrete for a slab

[A]: A concrete mix of 1 part cement : 2 parts sand : 4 parts coarse aggregate should be used for a concrete slab. Ad water to proper consistency. Concrete must be placed within half an hour of mixing.

[Q]: Which of the following solutions is better for the following goal:
Relieve anxiety with self acupuncture.

[A]: Press down on wrist.

[Q]: Which of the following solutions is better for the following goal:
One wants to harness the power of nature for aesthetic reasons.

[A]: One should make a wind chime.

[Q]: Which of the following solutions is better for the following goal:
How to Prevent Heat Exhaustion

[A]:
Wear light-colored, loose-fitting, and lightweight clothing.