Read the passage and select the ecosystem it describes.

i live in the most unforgiving of places. it almost never rains. here the cold, cold wind blows non-stop. the soil is frozen year-round, and it is of such poor quality that almost nothing grows. the few plants that do grow here seem to huddle together for warmth.

steppe
tundra
desert
forest

How did the movement of soldiers during world war 1 contribute to the global influenza (flu) pandemic of 1918 to 1919, which killed millions of people

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.

The two types of plains are coastal plains and lowland plains