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A.I. Oparin hypothesized that cellular life was preceded by a period of what?
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Asked 10/16/2012 8:08:46 AM
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User: A.I. Oparin hypothesized that cellular life was preceded by a period of what?





Weegy: Russian scientist and academician A.I. Oparin, in. 1922, hypothesized that cellular life was preceded by a period of chemical evolution.
Expert answered|jeifunk|Points 7356|

User: Whose experiment showed how enzymes could have formed inorganically?

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is this true? Tubers and rhizomes are part of the root system.
Weegy: Tubers and rhizomes are part of the root system. FALSE. User: Leaf phyllotaxy is the pattern exhibited (e.g., spiral, opposite, alternate, whorled) of leaf attachment to a stem. TRUE or FALSE. (More)
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Updated 1/19/2018 9:52:39 AM
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Leaf phyllotaxy is the pattern exhibited (e.g., spiral, opposite, alternate, whorled) of leaf attachment to a stem. TRUE.
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what eras make up the phanerozoic eon?
Weegy: The Phanerozoic Eon(542Ma - now) is made up of the Paleozoic Era(542 - 251 Ma), the Mesozoic Era(251 - 65.5Ma) and the Cenozoic Era(65.5Ma - now). (More)
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Asked 10/16/2012 8:17:17 AM
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A _______ is a measure of energy in food.
Weegy: What is your question? User: what is the measure of energy is food Weegy: Energy is found in different forms including light, heat, chemical, and motion. There are many forms of energy, but they can all be put into two categories: potential and kinetic. User: IN FOOD Weegy: Energy in food is measured in calories. That "calorie" thing you heard about is not a bad thing, and it is not a good thing. It is a measurement. It is a way of measuring how much energy different kinds of food provide. [ ] User: ty (More)
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Asked 10/17/2012 7:51:02 AM
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_______ energy is converted into _______ energy for use in living things.
Weegy: potential energy is converted into ATP energy for use in living things. (More)
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Asked 10/17/2012 7:55:40 AM
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A family chooses to buy a new refrigerator instead of taking a summer vacation. What is this called?
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Updated 12/31/2015 8:55:23 PM
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A family chooses to buy a new refrigerator instead of taking a summer vacation. This is called opportunity cost.
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