Coal is a fossil fuel that is used to produce electricity. Which of these statements best describes a cost of coal mining on the region around the mines?

It gets less electricity.
It becomes depleted of essential minerals.
Its groundwater is contaminated.
Its rivers and streams become dry.

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

Which chemical equation is unbalanced? which chemical equation is unbalanced

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.