Answer:
the chemicals had to be applied to the plate in the dark.
the photograph had to be made and developed while the chemicals were still wet
Answer:
Over the past five years, Malala Yousafzai has become one of the world's most famous young women - the schoolgirl shot in Pakistan who built a new life in Birmingham after surgery, then campaigned for education for all girls, won the Nobel Peace Prize and inspired the world with her life story.
Now her mother, Toor Pekai Yousafzai, has spoken to the BBC for the first time to explain how her own life has changed in the past five years.
"It was very hard when I left everyone behind," says Toor Pekai. "We didn't expect to live in a foreign country.
"When other people leave their country they accept everything that comes their way and they're ready for it, but we couldn't prepare.
"We had to suddenly leave Pakistan. The attack changed everything. We had to focus on Malala's life."
Explanation:
Answer: during the 1800s and 1900s, the advancement of technology changes the way we do our daily activity
The same thing happen in our current period. The development of technologies and the advance of internet allow us to do a lot of remote jobs that we're unable to do before
Explanation:
<span>The American people were strongly independent. They wanted to do things for themselves. Great Britain was a long way away. The American people didn't want people an ocean away telling them how to live their lives.</span>
