How long did the earth exist before life appeared on it?
A. 1 billion years
B. 1.5 bil...
Biology, 03.02.2021 17:00 tylalowther1114
How long did the earth exist before life appeared on it?
A. 1 billion years
B. 1.5 billion years
C. 2 billions years
D. 2.5 billion years
Answers: 1
Biology, 22.06.2019 01:00, dahn
What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.
Answers: 3
Biology, 22.06.2019 23:50, maciemarklin3522
Unlike mendel's pea plants, humans can have a variety of heights, not just tall or short. what does this mean for human height? a. height is controlled by one gene b. height is controlled by more than one c. height is not genetic d. height is solely determined by whether or not you eat your vegetables
Answers: 2
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