The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.
Answer:
B. Atoms are made of particles that have a negative charge.
Explanation:
Thomas is a chemist which performs an experiment using cathode ray tube. In this experiment he observed that all atoms contains electron which has negative charge. He concluded that most of mass of atom is present in the nucleus of an atom. In nucleus, proton and neutron are present which are a heavy particles and most of the space around the nucleus is empty.
My best guest is probably C or A.
Answer:
It's a good conclusion, you gave all the data needed to understand your expirement and it's results, as well as explaining why you thought that you reached the result you did. You have a few grammar mistakes (Missing commas, un-needed commas, and random capitalizations), but other than that, good job!
-Jack
Answer:B,D,E
Explanation: ur welcome
follow me on ig amandaagneww
