Given the question: If the amount of available food and water decreases in an environment then animals may leave that environment to find food and water, and food, water and air are the essentials of life on earth. Given these facts, what can decrease in an environment, and may cause animals to leave among the following options: - essentials of life - competition - wind speed - living things - single-celled organisms - deforestation - biodiversity - rock content
The answer is:
essentials of life