The big difference is growth. Normal cells stop growing when there are enough in one spot.
For example: When you get a cut, cells go to heal the wound, and the cells grow. But when the work is done, the cells stop growing.
But, cancer/tumor cells (not at a wound) grow and grow even when touching the first layers of muscle and skin. This would be what creates the lump. So, these bad cells are very overgrown and practically swollen cells.
:)
Answer:
C) Sound energy travelled as waves from one tuning fork to the other.
Explanation:
The air consists of particles. These particles transfer energy using waves.
Sorry i cannot answer because its too big for me.
B. Segregation.
I have the same question and answered it and this is what it told me. I think it should be right.