Hc2h3o2 goes to c2h3o2 did it gain or lose a proton

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

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Which would be the most useful source of evidence to support mcneill's contention?