What are two things that characterize the practice of science?

What type of competition exsist between two species. turtles and fish

Someone me with this: a mineral' is determined by its actomic structure.

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?