Earth is divided into large geographic regions or which are based on differences in climate a) biomes b) communities c) ecosystems d) habitats

Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna

Which of the following forest management practices is best for reestablishing areas of forest?

When ash and dust begin to settle on the ground, they eventually become compacted by