question: the amount of hands will have an overwhelming effect and to some may even be threatening.
Capitalize this past sentence correctly.
A: The amount of hands will have an overwhelming effect and to some may even be threatening.

question: because there are 1,000 different receptor proteins, there are also 1,000 different receptor neurons.
Capitalize this past sentence correctly.
A: Because there are 1,000 different receptor proteins, there are also 1,000 different receptor neurons.

question: venice is ideal for those who prefer to get around on foot.
Capitalize this past sentence correctly.
A: Venice is ideal for those who prefer to get around on foot.