Out of the following given choices;
15
7
24
95
The answer is 95%. The biggest contributors of this percentage are developing countries that do not have proper waste disposal mechanisms such as well structured sewer systems. It is estimated that 70% of industrial wastes in developing countries are disposed off untreated into waters where they end up in oceans through rain wash.
The pyramid of energy shows that the variety and number of species decreases as you move to higher trophic levels. ... This is also assuming that the organisms of the higher trophic level only eat the one organism. To maintain energy levels, higher organisms must eat more food than those at the lower levels.
Can you reword this question? It is confusing, but I'd love to help.
