Which example describe biotic and abiotic factors interacting with the environment? A a valley filling up with rain water b sunlight shining through a window c oxygen circulating in the atmosphere d dolphins communicating with each other

a

Explanation:

Remember, a biotic factors are those that are living (having life in them), while the abiotic factors are not living organisms.

Oxygen is in the category of biotic and it interacts with the atmosphere (space) which is abiotic.