What are two ways scientists use evidence of past environments preserved in rock?
A. To confirm whether an organism could have lived where its
fossils are found
B. To confirm that conditions in different places have changed
C. To confirm why each individual organism became a fossil
D. To confirm which organisms are most closely related to each
other

Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind