6. The Grand Canyon is . A. land surrounded by water
B. a dry, sandy area with no trees
C. a flat topped hill
D. a deep, narrow valley with steep sides

7. The large shapes of land that make up the earth are all called
.
A. peninsulas
B. landforms
C. waterways
D. mountains

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

Explanation for basic character?

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.