Taproot with herbaceous stem
Answer:
compressional or primary waves
Explanation:
Compressional or primary body waves are body waves that can travel through air, liquid, and solid material. They are body waves that travels through the interior of a body e.g Earth's inner layer. The primary body wave is the fastest to arrive at a location and eventually compresses and expands material in the same direction it travels.
The A horizon is the best for plant growth, because is has more organic material and more organisms that make the soil more fertile than the deeper layers, and the soil is not loose like the O horizon.
the A horizon
