Write 2-paragraph answers to the following questions:
explain why you support or oppose greatly increased use of (a) genetically modified food, and (b) organic polyculture.
what is the difference between the national parks system and the national wilderness system?
if we fail to protect a much larger percentage of the world's remaining old-growth forests and tropical rain forests, describe three harmful effects that this failure is likely to have on any children and grandchildren you might have.

Why might a single rock layer exhibit different types of sedimentary rocks within it? view available hint(s) why might a single rock layer exhibit different types of sedimentary rocks within it? such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed in a sequence over time. such a rock layer, termed a facies, when traced laterally represents a single depositional environment that formed over time. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed in a sequence over time.