Sodium ions (Na+) and potassium ions (K) are similar because they both have: 1) Lost a positive electron
2) Lost a negative electron,
3) Gained a positive electron
4) Gained a negative electron.

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

What substance acts to prevent sudden ph changes in bodily fluids?

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.