Energy
Unlike the one way flow of energy, matter is recycled within and between ecosystems.
Constant is the speed of light and as the speed of light cannot change it is 'constant'
An aquatic ecosystem is an ecosystem located in bodies of water. Types of aquatic ecosystems are The Marine Ecosystem and The Freshwater Ecosystem.
Acetone has a constant boiling point because it is an azeotrope. Azeotropes are mixtures of two or more liquids whose proportions cannot be altered by simple distillation. They are also called constant boiling mixtures.
Because they compete to survive. Like people we cannot live without foods and all our needs so they compete for their needs. == ==
Webkinz cannot be recycled because cotton is not meant to be recycled.
No they cannot be recycled.
almost all can be recycled
Australia: 56% of Australian waste either cannot be recycled, or is not recycled.
Because the paper is impregnated with plastic (to make it waterproof) and cannot be recycled with 100% waste paper
Salt is a mineral. It is found in many ecosystems but it cannot be an ecosystem by itself because it is found in so many different places on the planet.
When we talk about matter in an ecosystem or the environment, we are talking about substances such as water, carbon, nitrogen, and oxygen. These substances are examples of matter. Matter cannot be created or destroyed. Water, carbon, nitrogen, and oxygen must be recycled somehow in the environment, which also ensures that we do not use up or lose these essential materials.
air
Napkins are similar to paper towels in the way that they CANNOT be recycled. This is because the high amount of recycled fibers already in them, and after being recycled this many times already they are useless past this. There are also concerns about bacteria in such materials. However, there are certain groups that will take napkins and paper towels to BE RECYCLED AS MULCH.
It is a type of theromocal which cannot be recycled
The question is about an oxymoronic expression. A constant cannot be a variable and a variable cannot be a constant!
Coal is NOT a renewable resource because once it is used (burned) it cannot be recycled or used again.