The winds, ocean currents and hydrologic cycle result from Group of answer choices energy from internal convection the Earth's unsually weak gravity Solar energy and the eternal heat engine the Earth's unusually strong gravity

Which of the following is true about fossils? a. the relative age of fossils cannot be determined from their position in sedimentary layers. b. fossils found in lower layers of sedimentary rock are as old as fossils found in upper layers of sedimentary rock. c. fossils found in upper layers of sedimentary rock are older than fossils found in lower layers of sedimentary rock. d. fossils found in lower layers of sedimentary rock are older than fossils found in upper layers of sedimentary rock.

What causes the cyclical changes in the appearance of the moon?

Answer this asap. why did the americans go to china? a. trading b. exploration c. land d. live stock