(A) the softest layer of rock?
Answer:
d. to map all base pairs in DNA
The increased pressure forces the carbon chain structure of whatever element into a crystalline structure since that's the most resilient molecular structure. so is A
Answer:
These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division. Acquired mutations in somatic cells (cells other than sperm and egg cells) cannot be passed to the next generation.
