The answer is B. All living organisms are composed of one or more cells. Hope this helps!
D cause it matches and I makes sense
The primary pigment found in chloroplast is <span><em>chlorophyll
</em>
Your answer is </span><em>chlorophyll</em><em>
</em>
C. Noble gases do not normal react with other elements
Some keep flying for decades, while others end up on the scrap heap