Some researchers have begun attempting to clean up oil spills by adding nonindigenous microbial hydrocarbon degraders to the spill, in the hopes that these bacteria will neutralize the dangerous chemicals in the spill. this is an example of

How had the study of mitosis affected scientists knowledge of cancer

Si el equipo no fuera bueno no con el entrenador.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?