Which scientist first observed the rings of Saturn in 1610?
A) Christian Huygens
B) Isaac Newton
C) Galileo Galilei
D) Johannes Kepler
Answer: C
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Before the 1960s, how did geologists view the ocean basins and continents of the Earth?
a. Scientists believed that continents and ocean basins changed shape and location over time through the repeated erosion and deposition of sediments. b. Scientists believed that all ocean basins and landmasses were permanently fixed in their positions. c. Scientists believed that the formation of mountain chains and new ocean basins caused the movement of continents and oceanic sea floor. d. Scientists believed that continents moved over time as a result of convection in the mantle. e. Scientists believed that continents moved over time by plowing through oceanic crust.
What is considered the most advanced animal phyla?
A) Chordata B) Echinodermata C) Mollusca D) Arthropoda
Waves break because:
A. height decreases while length increases B. both height and length decrease C. water particle orbits change from circular to oval D. height increases while length decreases E. both height and length increase
In the eastern states, what sector makes up the largest piece of each pie? What will be an ideal response?