Question

what is the eqvivalent ratio of 1/3​

Answer 1

Answer:

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called ... The largest consumer and importer of coal is China.

Step-by-step explanation:

Answer 2

1 : 3 , 2 : 6 , 3:9 , 4:12 , 5:15 , 6:18 , 7:21 , 8:24 etc