A. is the correct answer bc a mutation changes the DNA.
Blood needs to flow faster around the body in order to supply the muscles with oxygen for respiration
Answer:
B.soil that is frozen solid all year
C.summer thaws combined with frozen permafrost
D.the overflow of a large lake each summer
Answer:
They collect more information.
Explanation:
The heliocentric model has been modified with the help of telescopes and probes because telescopes and probes collect more accurate information about the solar system and planets. Due to information collected from these instruments, scientists are able to modify the heliocentric model more accurately. So we can conclude that with the help of telescopes and probes, the heliocentric model has been modified.
