Answer: I believe this answer is ''thin atmosphere.''
Explanation: With a thin atmosphere the temperatures can regulate quite a bit so it can't sustain it's own temperature for very long BECAUSE it has a thin atmosphere....
The main groups of unicellular organisms are bacteria<span>, </span>archaea<span>, </span>protozoa<span>, unicellular </span>algae<span>, and unicellular </span>fungi<span>. </span>
The answer is b thank and rate my answer for 30 points they come in in 35 minutes
Explanation:
Mosses go through sporophyte and gametophyte stages in their life cycle. ... However, mosses are nonvascular while ferns are vascular. Gymnosperms and angiosperms are both vascular, seed-bearing plants. However, gymnosperms release their seeds in cones (like pinecones) while angiosperms release their seeds through flowers.