Biology, 26.08.2019 03:30 clonetrooper099
Carbon, hydrogen, nitrogen and sulphur are elements found in living cells. which is the least common?
a. carbon
b. hydrogen
c. nitrogen
d. sulphur
Answers: 2
Biology, 22.06.2019 12:50
The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above
Answers: 1
Biology, 22.06.2019 19:00
Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall
Answers: 2
Biology, 22.06.2019 20:30
What methods do scientists use to predict volcanic eruptions? select all that apply
Answers: 1
Biology, 22.06.2019 21:30
What do you think scientists face when classifying new organisms?
Answers: 1
Carbon, hydrogen, nitrogen and sulphur are elements found in living cells. which is the least common...
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