Question

DO Page. अपने मितको लिजिए। समय का महत्व महन्त बतान इस पत्र ​

Answer 1

Answer:

Urea is the main nitrogenous waste in the human blood, through filtration is it removed from the blood. Explanation: Urea is the major nitrogenous waste in the humans. It's removed from the body via filtration in the kidneys, transport to temporary storage in the urinary bladder, and removal by urination.

Explanation:

The reason why we only see ~118 elements is because we only see the ones stable enough to observe. Anything common in nature would need to have a half-life comparable to the age of the earth (or be produced as a decay product of something else that does