SOMEONE PLEASE HELP PLEASE
Which statement about life on Earth is correct?
Amphibians ap...
Biology, 25.11.2020 20:20 arielcainess
SOMEONE PLEASE HELP PLEASE
Which statement about life on Earth is correct?
Amphibians appeared earlier than mammals
Dinosaurs appeared earlier than amphibians.
Fish were the first animals to appear.
Mammals appeared earlier than reptiles.
Answers: 3
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When organisms convert from of energy, what usually results
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Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous
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The ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell
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