Hypothalamus, It also regulates body temp and sleep.
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.
answer of the question: B
