According to the Big Bang model, most of the ________ in the Universe were formed ________.
A. heavy elements; during the first 3 minutes
B. hydrogen and helium; during the first 3 minutes
C. hydrogen and helium; in the interior of massive stars
D. hydrogen and helium; during supernova explosions
Answer: B
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What is the distinctive form of a language that is associated with different regions?
A) lingua franca B) language group C) dialect D) official language E) language family
Earthquake forces are too great to be influenced by human activity
Indicate whether the statement is true or false
Read the following paragraph to answer the question:The Mt. St. Helens eruption in Washington state in 1980 measured 5 on the volcanic explosivity index (VEI). Only 57 people died from the Mt. St. Helens since most people were warned to evacuate the area prior to the event. Four years later, in 1985, Nevado del Ruiz in Colombia erupted. While only measuring 3 on the VEI, the eruption resulted in 25,000 deaths when unsuspecting residents of local towns were overrun by fast-moving lahars.Which of the following statements about volcano-related deaths best fit the information given in the paragraph?
A. Volcanic eruptions often kill thousands of people. B. The death toll from volcanic eruptions do not always correlate to explosivity, and can be affected by human actions before and after the eruption. C. The death toll from a volcanic eruption is directly related to its volcanic explosivity index (VEI). D. Most volcano-related deaths occur from lahars.
Which hormone triggers ovulation?
A) estradiol B) luteinizing hormone C) progesterone D) none of these