<span>The scientist is correct. It is part of under water mountain system, called mid-ocean ridge. The ridge consists of chains of mountains linked to one another with long valley. it also consists of openings. it causes for the seafloor spreading.</span>
The answer would have to be A! Angiosperms!
Bryophytes had appeared in the Ordovician period, while Gymnosperms appeared in the Paleozoic era! I hope all is well, and you pass! (: Good luck, rockstar! (:
Antlions experience competition when there is a scarcity of food and few spaces to burrow in the sand. This happens during their larval stage when there is an overlap on their reproduction where the large ones consume the small ones for survival.
I think c is the correct option...