How might you tell whether or not your toothpaste contained either calcium carbonate, CaCO3, or baking soda, NaHCO3, without looking at the ingredients label?
A) if the toothpaste bubbles when heated
B) if the toothpaste bubbles when added to ammonia, such as window cleaner
C) if the toothpaste produces a salt (NaCl) when added to HCl
D) if the toothpaste bubbles when added to vinegar
D
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In what direction do longshore currents flow? What will be an ideal response?
The region between two adjacent isograds ____
A)does not vary in width within a given metamorphic formation B)is always nonfoliated rock C)is composed of non-metamorphosed rock D)makes up a single metamorphic zone E)is where rock types change
Kettle lakes form by
A) melting blocks of ice. B) abrasion of ice. C) meltwater action under ice. D) plucking of huge rocks.
Erosion, transportation, and deposition are all endogenic processes
a. True b. False Indicate whether the statement is true or false