Why could’nt solid ice have been merged into the Earth when it was created? a. Ice wasn’t made yet
b. All the ice that formed went to Mars
c. Ice could only form on comets
d. It was too hot in the inner solar system at the time of its formation

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Which of the following is the most likely outcome of global warming

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?