Carbon-14 is a b emitter. What isotope is formed when 14C emits a b particle?
A) 14B
B) 14N
C) 14O
D) 16O
B
You might also like to view...
Which of the following instruments is usually a liquid-in-glass thermometer?
A. minimum thermometer B. radiometer C. thermistor D. electrical resistance thermometer
Loess is transported by ________ and is important because ________.
A) flowing streams; it tends to braid streams and dam the water B) mass-wasting processes down slopes; it can cause debris avalanches C) wind around glaciers; it is fertile D) flowing streams; erodes very quickly
What percentage of marine pollutants originates from human activities on land?
A) 25% B) 50% C) 75% D) 90%
Plate "Tectonics", from the Greek word "Tekton", means that:
a. plate movements "build" regional geologic features b. plate tectonics is responsible for most of the features of our planet c. plate boundaries can only construct, but not destroy, geologic features d. both a and b