question: rinse the crayfish tails under running water, to remove the brine. roughly chop the tails,
Capitalize this past sentence correctly.
A: Rinse the crayfish tails under running water, to remove the brine. Roughly chop the tails,

question: electromagnetic fields have different frequencies - expressed in hertz (hz), or oscillations per second - suited to different uses, for example:
Capitalize this past sentence correctly.
A: Electromagnetic fields have different frequencies - expressed in Hertz (Hz), or oscillations per second - suited to different uses, for example:

question: although the signature says h. larsen, one wonders what has lead the seller with the ambitious name kunsthaus-stuttgart to sell this piece of art in hugo larsen's name.
Capitalize this past sentence correctly.
A: Although the signature says H. Larsen, one wonders what has lead the seller with the ambitious name kunsthaus-stuttgart to sell this piece of art in Hugo Larsen's name.