Which of these biological communities has permafrost?

A. Forest

B. Tundra

C. Grassland

D. Desert

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

Ture or false evidence for evolution includes millions of fossils