Answer:
DNA Synthesis the number of chromosomes is altered so that there are either too many or too few chromosomes in the cells.
Explanation:
Most reasonable answer is the swallowable camera one. mris and cat scans were invented in the 70s and the rest of the answers are around the 1800s or before.
Answer:
A=2 B=4 C=3 D=1
Explanation:
Identifying the stages of succession assignment
Marshes and ponds is the correct answer