Answer:
Typically when cells divide uncontrollably and spread they form into cancer. A change in DNA causes the cell to begin to act in this manner. A cell could do this from many different causes such as exposure to radiation, harmful chemicals, and smoking.
I hope this helps! :)
1. is A i think
2. is B
3. is D
4. is D
Chloroplasts the answer you are looking for?
No the earth is extremely dynamic and changes dramatically
It’s burning wood ,heating water,Roasting food