The natural resources used by society are limited by various factors. why is coal considered a nonrenewable resource? a. once coal is used up, it can never be replaced. b. coal is a nonrenewable resource, because it comes from the impact of meteors with the earth. c. coal was a renewable resource, until it was mismanaged by humans. d. coal is considered a nonrenewable resource, because it takes millions of years to form.

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm