Answer:
When electrons move from a higher energy level to a lower one, photons are emitted, and an emission line can be seen in the spectrum. Absorption lines are seen when electrons absorb photons and move to higher energy levels. ... An atom in its lowest energy level is in the ground state.
Answer:
Bacteria are vital in keeping nitrogen cycling through the ecosystem, and nitrogen is vital to plant growth. Without bacteria around to break down biological waste, it would build up. And dead organisms wouldn't return their nutrients back to the system
Explanation:
Answer:
the pressure to which this volume of air must be compressed in order to fit into the air tank is 28.5478 atm
Explanation:
the solution is attached in the Word file
Answer:
Celiac disease occurs in the intestines as an allergic response to Gluten in certain cereal grains.
Explanation:
A medium can be anything that a wave can pass through e.g the medium can be solid objects, air, water, etc.
