Question

a. True or False: Nutrient cycles describe the pathways that macronutrients and micronutrients follow as they move from their major sources in the abiotic parts of ecosystems through living communities and back again.

b. True or False: Overloading the sulfur and nitrogen cycles causes acid deposition (also known as acid rain).

Answer 1

a. true [ this type of pathway called nutrient cycles or biogeochemical cycles ]

b. true [ about 60% of atmospheric nitrogen and 75% of atmospheric sulfur dioxide are produced from burning of fossil fuel,these both combine with water and form nitric and sulfuric acids]