Answer:
Biotic, Abiotic
Explanation:
Question 4) <u>biotic</u> means living things and those all marked are living animals or plants
Question 5) <u>abiotic</u> these refer to non living things
Answer:
a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
The answer is true because walking does not affect the environment