Grasses and mosses sprout in Alaska’s tundra in summer when _____.
Athe soil is fertile
Brainfall is adequate
Cthe top layer of soil freezes
Bthe top layer of soil thaws
Grasses and mosses sprout in Alaska’s tundra in summer when _____.
Athe soil is fertile
Brainfall is adequate
Cthe top layer of soil freezes
Bthe top layer of soil thaws