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What is archean era (38-2.5 ga anaerobic (lades of oxygen).b.)no ozone. phothosynthetic prokaryotes (bluegreen algae) emerged and started releazing oxygen to the atmosphere. life forms still limited to singlecelledorganisms w/out a nucleus.(prokaryotes) until 2.7 ga when eukaryotes emerges. report

Answers

  • Réponse publiée par: HaHannah

    answer:

    DUCK

    COVER and

    HOLD

    Explanation:

    those are the basics :)

  • Réponse publiée par: kuanjunjunkuan

    CPR (Cardio Pulmonary Resuscitation)

  • Réponse publiée par: nelgelinagudo

    CPR

    Explanation:

    CPR – or Cardiopulmonary Resuscitation – is an emergency lifesaving procedure performed when the heart stops beating. Immediate CPR can double or triple chances of survival after cardiac arrest.

    Hope this helps!

  • Réponse publiée par: cland123

    Modern art came before contemporary art. Most art historians and critics put the beginning of modern art in the West at around the 1860s, continuing up to the 1960s. Whereas, contemporary art means art made in the present day.

  • Réponse publiée par: Laurenjayshree
    Water is very important to people. If you don't have food to eat, you can drink water. You can be full by just drinking.
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What is archean era (38-2.5 ga anaerobic (lades of oxygen).b.)no ozone. phothosynthetic prokaryotes...