The diesel engine was first made to run on oil so making it run on biodiesel is returning it to its original design that was more ecologically?

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

Which group of college students is typically offered scholarship? a. freshmen, sophomores, and juniors. b. biology, english, and engineering majors. c. hard workers, part-time students, and out of state students. d. first time freshmen, current students, and transfer students.

The graph shows the populations of two species over time. which type of symbiotic relationship does the graph represent? a. commensal b. mutualistic c. parasitic d. parent-offspring e. predator-prey