What is the correct term for a body of water that is devoid of oxygen

Iwill mark brainliest and all that sha-bang. what is the function of the endocrine system? a. control longer term response in the body. b. transmit messages throughout the body. c. remove waste from the body. d. all of the above

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

Which prefix mean under less or below