Which of the following statements about the solar system's formation is true?

1. the temperature was very cold
2. gravity pulled together a cloud of gas and dust
3. objects formed from the same materials
4. the planets formed at the same distance from the sun

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.

How do the evolutionary chart and the video support the claim that all living things are made up of cells?

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above