What is the IUPAC name of CH3-NH-C2H5?
A) ethylmethylamine
B) methylethylamine
C) N-methylethanamine
D) propanamine
C
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Prostaglandins ________ the sensitivity of pain neurons, which become ________ with continued stimulation
A) increase; less sensitive B) increase; more sensitive C) decrease; less sensitive D) decrease; more sensitive
Quartz, feldspar, and clay minerals are the most common constituents of sedimentary rocks. Indicate whether the statement is true or false
A safety factor of 1 implies that driving forces are 10 times greater than resisting forces
Indicate whether the statement is true or false
Which of the following is not evidence collected by the Glomar Challenger in support of the Plate Tectonic model?
A) Fossils increase in age with increasing distance from the ridges. B) Sediments get thicker with increasing distance from the ridges. C) Oceanic crust is less than 180 million years old. D) Continental crust is typically several hundred million years old or older.