How many hydrogen atoms are represented by the formula below?
3na2h3io6
a.) 3
b.) 6
c.) 9
d.) 12

Sorry i dont understand the question can you rephase it?

Kim jong un.yeet jkany leaking in the power plant can directly cause radiation and other bio hazards.brainliest answer pls.

Answerstudying coal cumbustion as an energy source;

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.