Q: electric lighting is automatically and stays on until the clock 22:00.

A: Electric lighting is automatically and stays on until the clock 22:00.
++++++++
Q: step 4: fold the new top right corner onto the top left corner.

A: Step 4: Fold the new top right corner onto the top left corner.
++++++++
Q: researchers in the united states and the united kingdom decided to focus on neanderthal genes among particular categories of genes.

A:
Researchers in the United States and the United Kingdom decided to focus on Neanderthal genes among particular categories of genes.
++++++++