Which of the following best defines soil texture? a a measure of how developed a soil is b amount of nutrients in the soil c depth of the soil d the relative amounts of sand, silt and clay particles

Correct answer is D "the relative amounts of sand, silt, and clay particles"

coal is not sustainable because it will one day run out.

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.