Of Earth's total freshwater resources, 68.7 percent is - frozen
- liquid
- surface water
- underground

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Which of the following is not a benefit of genetically modified foods? a.pest-resistant crops b.herbicide-resistant crops c.plants that do not require water?

On his trip to the galapagos islands, darwin determined that animals on the islands