Plates move away from each other by about 3.5 cm per year at the mid-Atlantic ridge, for a net growth of 7 cm per year for the width of the Atlantic Ocean. How much wider is the Atlantic Ocean today compared to when Columbus discovered the Americas in 1492)?

The Atlantic Ocean today compared to when Columbus discovered the Americas in 1492 is approximately 40 metres wide.

Explanation:

Plates move away from each other by about 3.5 cm per year at the mid-Atlantic ridge, for a net growth of 7 cm per year for the width of the Atlantic Ocean. Hiwever, as compared to 1492, the Atlantic ocean is now roughly 40 metres wide.

a and b because with the other three, they simplify to something else.

the proximity of water was an advantage to western europe and its culture was able to flourish as a result. trade and travel by sea were easier and safer in historical times.

1. there are no mountains to protect it from the sea

2. and its has wet cool summers and wet, mild winters.