Depends in the weight of tge objects, but they will be drawb together
Explanation:
Protein I think is the answer for this question.
The land and the aquatic are the two types of global food webs
Https://cms.springbranchisd.com/Portals/280/staff/robertsh1/2.19%20tuesday.pdf?ver=2013-02-19-125747...
The answer is prime mover