Question

1. the salt in the oceans has accumulated over ______ of years

hundreds
thousands
millions
billions
other:

1. the seawater in tropic climates tends to be less salty.

true
false

Explanation:

The salt in the oceans has accumulated over billions of years due to processes like weathering of rocks and input from rivers over long - term geological time scales. In tropical climates, seawater is often more salty because of high evaporation rates that leave behind more salt while water is lost to the atmosphere.

Answer:

1. D. billions
2. False