C. No one knew germs existed
Therefore diseases spread because they did not know how to prevent them and they did not have good hygiene.
Answer:when you cough blood leaves your heart.
Explanation: I saw a video and when some one coughed blood came out of the heart.
Answer:
D. all of the above
Explanation:
Sending signals is what computers do like me typing which will send the computer a signal that I am writing this letter. I also, control my breathing and heart rate with my brain, the brain sends nerves through the spinal cord which makes me move and sends them to other parts of the body so they can move too. Therefore, it is just like that.
Wow thanks for posting this hopefully people see this and get help:)
This statement is false.
Abner Doubleday invented the game we know as baseball in Cooperstown, NY
Hope this helps
-AaronWiseIsBae
