Grasses and mosses sprout in alaska’s tundra in summer when

a. the soil is fertile

b. rainfall is adequate

c. the top layer of soil freezes

b. the top layer of soil thaws

Distance that the transcontinental railroad covered from omaha to san francisco.

Plz asap can someone find the answer or the mark scheme or anything plzzz you : ) ‘it's perfectly understandable that hundreds of millions of people around the world live close to volcanoes’ use evidence to support this statement. (6 marks)

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?