Answer:
Scientists are able to understand Earth's interior by studying seismic waves.
Seismic waves travel at different speeds when they pass through different types of material, so by studying seismograms, scientists can learn a lot about Earth's internal structure.
Answer:
I believe that everything would just be the opposite of what it is now.
Explanation:
Like, seasons would flip (Possibly change positions on the planet), months would also flip, uh, yeah.
All of these affect it in some way
Answer:
Barham Salih is the president of Iraq.
Explanation:
Barham Salih orignally rose to power in 2005, and was elected as the president of Iraq in October of 2018.