Answer:
Oil spills and overfishing
Explanation:
Oil spills are the most dangerous as they harm the entire environment around them
Explanation:
this mass wasting to occur by the wind
Answer:
workdone by the person in J is 445.92J
Explanation:
workdone= force x total distance
force= mass x acceleration due to gravity(g)\
mass=4.5kg
g=9.81m/s
force= 4.5 x 9.81 =44.15N
total distance=1.4+8.7=10.1m
workdone=44.15 x 10.1
=445.92J