How do volcanoes change earths landform?
a: they release pressure that has built up under earths crust
b: they blow ash and lava high into earths atmosphere
c: they form over hot spots
d: they form mountains

places of higher salinity. there are parts of the ocean where hardly any rain falls but warm dry winds cause lots of evaporation. this evaporation removes water – when water vapour rises into the atmosphere, it leaves the salt behind, so the salinity of the seawater increases. this causes the seawater to become denser.

beaches, climate, and waters