Answer:
A.) Core
Explanation:
Core definition: a central and often foundational part usually distinct from the enveloping part by a difference in nature.
Answer:
1 is the non living thing 2 is the living thing 3 is a state of balance and 4 is the a community
Answer: fossils are remains of dead or extinct animals/plants
In reality this is way too little information to go on, and it would be irresponsible to make any assumptions about an individual based on what was provided here alone, but for the sake of merely answering a High School Bio question:
the answer is A. OCD.