Register
A river system is an example of _____________. A. a material cycle only B. a closed flow system C. an energy flow system only D. a matter and energy flow system
58.9k views
14 votes
A river system is an example of _____________. A. a material cycle only B. a closed flow system C. an energy flow system only D. a matter and energy flow system

User Riwels
by
7.9k points

1 Answer

7 votes

Answer:

A. a material cycle

Step-by-step explanation:

The material cycle is the cycle of materials on the Earth through living organisms and the environment.

User Ivan Pronin
by
8.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.2m questions

11.9m answers

Other Questions

4. Which of the following is the first thing you should do when attempting to park? A. Securing the parking spot by standing in it B. Turning on your hazard lights C. Confirming the space can fit your
An activated sludge plant is being designed to handle a feed rate of 0.438 m3 /sec. The influent BOD concentration is 150 mg/L and the cell concentration (MLVSS) is 2,200 mg/L. If you wish to operate the
In solid motors, HTPB and PBAN are two common types of plasticizers. a) True b) False
Teresa is emotionally volatile, particularly with friends and boyfriends. She is extremely dramatic about even the smallest disappointments and is sexually and behaviorally very impulsive. Teresa would
Vitrification is a process of: a. Chemical reaction bonding of aggregate ceramic powder b. Cementing aggregate ceramic powder with a liquefied material c. Solid-state diffusion of aggregate ceramic powder
Link Copied!