Biology, 12.08.2020 08:01, pringlehannah5151
Which of the following is NOT believed by scientists to have been present in the early earths atmosphere?
a. Ammonia
b. Free oxygen
c. Methane gas
d. Water vapor
Answers: 3
Biology, 21.06.2019 20:20, alexanderavrett
Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth
Answers: 2
Which of the following is NOT believed by scientists to have been present in the early earths atmosp...
Biology, 09.04.2020 19:46