Answer:
Natural Selection, Genetic Drift, Mutations and Gene Flow.
Explanation:
Answer:
True
Explanation:
An atom is stable because of a balanced nucleus that does not contain surplus energy. If the forces between the protons and the neutrons in the nucleus are unbalanced, then the atom is unstable. Stable atoms retain their form for ever, while unstable atoms undergo radioactive decay.
Sodium, potassium, chloride and calcium ions are important for establishing the resting potential of the cell. The sodium-potassium gradient is maintained by a pump which transports 2 potassium inside the cell and 3 sodium ions outside the cell.
Answer: A
Explanation:
because I used it during the quiz an I passed so, that is the correct answer.
Answer:
A. Coal
Explanation:
The other forms listed are "clean" energy sources.