Answer:
Pangea existed between about 299 million years ago (at the start of the Permian Period of geological time) to about 180 million years ago (during the Jurassic Period).
Explanation:
Cyanobacteria helped produce O2. Because it helped releasing O2 into the atmosphere, today we see different animals because Cyanobacteria helped reduce the poor oxygen in the atmosphere.
1)Biotic factors are the living components of an ecosystem. These include living animals, plants, and microscopic organisms like bacteria.
Abiotic factors are the non-living components of an ecosystem. ... Biotic and abiotic factors both influence each other.
Answer:
I don't know
Explanation:
can you help me with this question The following lines from Frost's "The Road Not Taken" indicate what about the Speaker? Line 2: And sorry I could not travel both Line 3: And be one traveler long I stood A. The spaaker is waiting for someone TOT a long time ("long I stood"). B The speaker is traveling by himself- just "one traveler." C. The speaker is sorry he can't travel both roads