Answer:
lvl 2 - Molecules consist of atoms
lvl 3 - Cells consist of molecules
lvl 4 - Organisms consist of cells
lvl 5 - Populations consist of organisms
lvl 6 - Communities consist of populations
lvl 7 - Ecosystems consist of communities interacting with their environment
lvl 8 - The biosphere consists of all ecosystems on Earth
Explanation:
Answer;
Gold
Gold is a non renewable resource.
Explanation;
Non renewable resources are those resources of economic value that can not be readily replaced by natural means on a level that is equivalent to its consumption.
Examples of non renewable resources include; fossil fuels such as oil, natural gas and coal; because their source is not sustainable.