Answer:
a. private organization that the federal government contracts to provide backup copies for all national security documents
Explanation:
The water particles had no chemical change, they only changed form. This makes it a physical change.
Answer:Yes,It is true that pollution is the price for progress
Explanation:The assertion that pollution is the price for progress is valid.
1. Progress in this regards simply means development or improvement either on the environment or a particular thing.
2. It is the people that pays the price
The moral of this assertion is that for any development to take place,the people must pay the price,this may be through inconveniences,land pollution e.t.c
