The biosphere and its ecosystems are made up of components.

a. self-feeding and dependent

b. autotrophic and oligotrophic

c. molecular and cellular

d. productive and nonproductive

e. biotic and abiotic

Most scientific questions are based on opinions. hypotheses. observations. experimental data.

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.