The answer is.
propeller injury
A. oxygen atom
H2 O1
There are 2 hydrogen atoms and 1 oxygen atom
Answer: it is species!
Explanation: species is a GROUP of individual organisims that inter breed with others!
Answer:
C. Pioneer species in primary succession only grow in aquatic environments, while pioneer species in secondary succession only grow on land.
Hope I Helped
I think the it may be the liver