What types of economic activities are conducted in the tierra fria elevation zone? a. agriculture only b. livestock only c. agriculture and livestock d. no economic activities because the region is too cold

Approximately how close is russia to alaska ? a.5 miles b.50 miles c.500 miles d.5000 miles

What was the main purpose of the "four freedoms" speech?

Fossils often provide valuable information about climatic conditions of the geologic past. how else might a geologist infer ancient climatic conditions using sedimentary rocks? provide at least 4 examples. (hint: think in terms of the conditions necessary to form certain rocks and also features/structures found in sedimentary rocks.)