Option D because Earth is closer to the sun than Mars
The shallow shoulder socket makes the joint unstable, which makes the bone easy to dislocate.
MRNA it is the messenger, for it "feeds" information
The disappearance of the deer from the forest indicates the EXTINCTION OF THE DEER.
The extinction of the deer from the forest will throw the ecosystem out of balance and has negative impacts on the ecosystem. After all the deer has been eliminated, the elephants too will either have to find another source of food or be wiped out.