<span>The answer is D. Example
of such a relationship is that of a tick and a cow. The tick is the
ectoparasite while the cow is the host.
The tick benefits by sucking blood from the cow while the cow is disadvantaged since it is losing some of its
blood and also the tick is a vector of disease</span>
Explanation:
which agent of erosion most likely moves sediments in a send dune.
Glaciers
Can you clarify the question
It would be “c” ; nitrogen fixation
