Answer: All scientific instruments are complex and expensive.
Explanation:
I just had this one today and got it right.
It’s true because if you look at a map you’ll see
<span>About 70% of the Earth's water is currently frozen. As the threat of global warming increases, this number is steadily decreasing, which creates a rise in the average seawater. Previously frozen water is now melting. Of all the currently available non frozen water, the majority of is found the oceans and seas.</span>
Terribly, they are falling into a depression slowly.