Answer:
Placer mining can be less damaging to the environment than surface mines, as the sediment is returned to the water after the minerals have been extracted.
Explanation:
Answer:
C, a long absolute refractory period.
Explanation:
Tetanus is not possible in cardiac muscle tissue because cardiac cells have longer action potentials and a very long refractory period compared to other cells. This helps prevent the heart from cramping and seizing up.
The population of jellyfish would increase and the population of killer whales would decrease
Answer:
Inherited traits.
Explanation:
Inherited traits are ones passed down from parent to offspring!
