Answer:
Each time a cell prepares to divide into 2 new cells, it must make a new copy of the DNA in its chromosomes. This process is not perfect, and errors can occur that may affect genes within the DNA. Cancers can be caused by DNA mutations (changes) that turn on oncogenes or turn off tumor suppressor genes.
Explanation:
C. have students record homework time in a class data table everyday , tally up the time, and make a bar graph contrasting male and female work times
The third one and the last one.
Carbon ^^ is the answer if I’m not mistakenn
