there are 195 countries in the world
Streams erode sediment from their banks. They pick up and transport sediments. As a stream erodes its banks, it creates a V-shaped valley (Figure above). This contrasts with the U-shaped valleys created by glaciers.
Desert streams has more flash floods than the ones in humid locations. In other words, desert streams only get their water from rain.
Answer:
Cualidad de lo que es vulnerable.
More carbon dioxide is stored in the ocean water, making it more acidic, which is dangerous for most corals and many animals with small niches