Answer:
he was a hero and is best known for his truly heroic final act: incarcerated in the Warsaw ghetto, with nearly 200 children from the orphanage he ran, he decided to refuse the offers of rescue he received from his Polish friends, and to accompany the children instead on their journey to Treblinka
Explanation:
hope it helps
Started the creation of railroads witch helped industrial revolution happen so fast
Answer: 
Explanation:
Given
A Planet is moving at a rate of 3 cm/year
distance between planets is 1500 km
and 1 km=1000 m
1 m=100 cm
No. of years required to cover 1500 km=
