Answer: Option A) Oxygen may not have been able to accumulate in the atmosphere
Explanation:
Ozone, O3, is an allotrope of oxygen having three atoms in the molecule instead of the usual two present in molecular oxygen. Ozone is generated from oxygen, and is the only form in which oxygen can exist in the atmosphere.
DNA ligase <span>s responsible for creating the covalent bonds that connect the sugar phosphate backbone of the new DNA molecules</span>
Descriptive and inferential
Answer:
Because melting can be reversed ( freezing )
Explanation:
Physical change is a change that can be reversed
Animals or Organisms that live in extreme conditions like jellyfish with immense pressure at the bottom of the ocean. pls give brainliest homie
