<em><u>Answer</u></em>
<em><u>about 3.9 billion years ago</u></em>
<em><u>about 3.9 billion years agoThe most recent common ancestor of all currently living organisms is the last universal ancestor, which lived about 3.9 billion years ago.</u></em>
an Antibody!
Hope this helped!
~Just a girl in love with Shawn Mendes
The answer is A
Using energy
Answer:
the answer is the white blood caells.
Answer:
The input or x value= spf
The output or y value= Minutes of exposure until sunburn
