Europe, Africa and Antarctica
Since x is the missing number then x=2 so the problem with the x’s just replace those as 2. Hope this helps! Mark brainly please!
This type would be debris and grit pollutants. Sewage treatment plants separate this type of pollutants from the water and clean the water making it available for further use. It is basically recycling of water, so you should not drop it into the toilet, but if you do it will be cleaned eventually and removed from the water.
Answer:
Spartacus, Stamen Grigorov, Ralitsa Vassileva, John Atanasoff, Sylvie Vartan.
Explanation:
