1. The river Deju is a left tributary of the Putna River in Romania .
2. The Putna River is a left tributary of the River Deju in Romania .
OPTIONS:
- no
- yes

no

1. Arnold Lang ( 18 June 1855 -- 30 November 1914 ) was a Swiss naturalist , a comparative anatomist and student of German biologist Ernst Haeckel .
2. Arnold Lang ( June 18 , 1855 - November 30 , 1914 ) was a Swiss naturalist , a comparative anatomist and a student of the German biologist Ernst Haeckel .
OPTIONS:
- no
- yes

yes

1. Although iron is generally less active in many catalytic applications , it is less expensive and '' greener '' than other metals .
2. Although iron in many catalytic applications is generally less active , it is less expensive and '' greener than other metals .
OPTIONS:
- no
- yes
yes