B. Primary succession restores land after it has been destroyed
Answer: 3. Check to see whether more advanced medical personnel have been called
Explanation: When somebody finds themselves in these kind of delicate situations where someone has collapsed and is not breathing, we use CPR because it can keep people alive until Emergency services arrive. The first step is to start helping them by giving CPR and the second step is making sure that the medical personnel is on their way because they are more eligible and experienced.
Answer:
No
Explanation:
Most bacteria and archaea don't use oxygen to produce energy, and live an oxygen-free (anaerobic) existence. Some archaea produce methane as a by-product of their energy production, and are called methanogens.
Hope this helps!
Answer:
true
Explanation:
cuz it's true also trust me I've done my research.
The universe contains organized structures on all different scales, from small systems like the earth and our solar system, to galaxies that contain trillions of stars, and finally extremely large structures that contain billions of galaxies.
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