PLZZZ HELP ASAP THANKS : A round red ball is an example of

Physical change
Chemical change
Physical property
Chemical property

Explain why?

Thank you greatly appreciated!

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.

What element does susan b. anthony include in this passage to strengthen her argument?

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line