Explanation:
Cancer is considering abnormal cell growth that can spread to some parts of the body and it is a group of many diseases. It is not the same as tumor because tumor can spread and abnormal cells of cancer can.
Some symptoms that people can have are bleeding, cough, heart pounding, weight loss and pain in many parts of the body.
Those signs can indicate also other diseases so people should go to a doctor if they are suspecting something.
There are over 100 types of cancers in the world and its cure is long and hard journey.
Some of the factors are alcohol, tobacco, poor diet, poor physical activity, stress and many infection such as hepatitis B and C, Helicobacter pylori and more.
A letter, autobiography, and others are primary source information.
Answer:
Smart huh
Explanation:
Year-round schools allow families to plan vacations at times other than summer. Students in year-round schools are less likely to have to miss school for a trip that isn't in the summer. Frequent breaks are good for students. They have less stress when they go back to school after a short break.
