D habitats because it is divided up into different areas and different areas have different kinds of habitats
1 you run out of fuel 2 it takes a long time 3 it’s hard to get back 4 the conditions are constantly changing making it harder to predict what could happen. Look at Apollo 12 as a example
<span> </span> <span>Mining is considered the dangerous job in the United States.
Hope this helps!</span>
