. PLEASE HELP ASAP
What is the significance of vestigial structures?
a. They are leftover, un...
Chemistry, 18.06.2021 20:20 kimutaitanui2228
. PLEASE HELP ASAP
What is the significance of vestigial structures?
a. They are leftover, underdeveloped structures from previous ancestors that show change.
b. They are beneficial adaptations that increase an organism's chances of survival.
c. They are new adaptations that have evolved to perform new tasks.
d. They suggest earth has changed as a result of weathering.
Answers: 2
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Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
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