Forests are considered nonrenewable resources primarily because of the. Choose the correct answer.
a. difficulty in engineering wood alternatives
b. challenge to harvest fibers from other plants
c. demand for wood in a wide variety of products
d. decreased need for wood products in manufacturing

Johannesburg kepler, an apprentice of brahe, believed in the heliocentric universe but rejected past astronomers belief in

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.

People with one sickle cell allele are not likely to get malaria. what is this an example of?