The correct option would be c.
Answer:
B. remove waste
Explanation:
The main function of the excretory system is to remove waste.
The answer is 2. 2 Hydrogen atoms to 1 Oxygen atom.
<span>Wide variety of fish species. It always includes this intertidal zone and is
sometimes used to mean the same as the intertidal zone. Though, the meaning of
"littoral zone" can be overall well beyond the intertidal zone. The
littoral zone is the same as a sea, lake or river that is close to the shore.
In coastal environments the littoral zone extends from the high water mark,
which is very rare inundated, to shoreline areas that are permanently submerged.</span>
