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\section*{Acknowledgement}

I would like to thank for the continued support, suggestions, and advise
from my super-visor Prof. Dr. Simone Frintrop and co-supervisor Dr.
Mikko Lauri.

Additionally, I would like to thank my friends for the continued
support and sometimes helpful questions. Especially in some hard times
their support was invaluable.

Furthermore, I am grateful for the Fridays for Future movement
as it provides hope for a future worth fighting for. This hope
was a light that allowed me to see the end of the tunnel, even if
that felt light years away.

Lastly, I would like to thank society in general for providing me
with the opportunity to study what I am interested in.