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

What is the approximate circumference of the circle shown below? 12.2 cm

Computer models can scientists predict weather. some computer models can show the predicted path of hurricanes. what other events could a computer model warn us of? a) undersea earthquakes , tornadoes, and avalanches b) tornadoes c) avalanches d) undersea earthquakes

Residents of moldova are mainly a. russian b. ukrainian c. serbian d. romanian the answer is d. romanian