What best describes the changes occurring to the Earth's surface over time? A. Mountains are gradually wearing down, but no new ones are formed.
B. New mountains are only formed under the ocean.
C. New mountains are being formed as old mountains are gradually worn away.
D. More mountains are gradually formed as the ocean recedes.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.

9. technology can bring both good and bad things. building a vertical farm can increase food supplies in cities (good), but it may cause unemployment in rural areas (bad). give another example of both the good and bad sides of a technological advancement (5 noints)