Discover Questions

Could a black hole exist within the event horizon of a bigger black hole? I am in 2nd p.U. science studen. Give a correct answer What are codons and anticodons ? Any other name for both? Affordable marmoset monkeys? Chi mi sa spiegare questa dervata (ln^2x)/x dx? Help me to solve the following question!
Find integers x and y such that 57x+79y=17, and 400