Vasco de Gama (1498) sailed to explore India with 180 companions but most of them died due to

Vasco da Gama discovered the sea-route to India in which one of the following years?

Assertion : The biggest dinosaur, Tryanosaurs rex was about 20 meters in height and had huge fearsome dagger like teeth. Reason : Dinaosaurs suddenly disappeared from earth, either due to climatic changes or most of them evolved into reptiles.