Chemistry, 01.01.2020 00:31 dbzrules02
The oxygen revolution changed earth’s environment dramatically. which of the following adaptations took advantage of the presence of free oxygen in the oceans and atmosphere? select one of the options below as your
a. the evolution of cellular respiration, which used oxygen to harvest energy from organic molecules.
b. the evolution of chloroplasts.
c. the persistence of some animal groups in anaerobic habitats.
Answers: 2
Chemistry, 23.06.2019 05:30
For the reaction i2(g)+br2(g)←−→2ibr(g), kc=280 at 150 ∘c. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 ∘c. what is the equilibrium concentration of 2ibr, i2, br2
Answers: 1
Chemistry, 23.06.2019 09:20
Which of the following occurs along coasts during the day?
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Chemistry, 23.06.2019 10:30
An atom that gains or loses one or more electrons is called a(n)
Answers: 1
The oxygen revolution changed earth’s environment dramatically. which of the following adaptations t...
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