Which of the following describes fat utilization during physical activity?
a. fat that is stored closest to the exercising muscle is oxidized first resulting in 'spot reduction'b. fat represents the major fuel source during sustained, moderate activityc. fat oxidation makes more of a contribution as the intensity of the exercise increasesd. fat is burned in higher quantities during short, high intensity exercises than prolonged, low intensity exercises

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas