When Po emits a beta particle, it transforms into a new element. What are the atomic number and atomic mass of this new element?
A) atomic number = 84; atomic mass = 219
B) atomic number = 86; atomic mass = 214
C) atomic number = 85; atomic mass = 218
D) atomic number = 82; atomic mass = 214
C
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Converting plant sugars into simple sugars creates which biofuel?
A. ethanol B. methane C. propane D. ethane E. butane
Which of the following is NOT a specific advantage of congregation to urban minority groups?
A) It helps the minority groups merge with other minority groups. B) It helps maintain and preserve the culture of the minority groups. C) It provides mutual support networks for members of the minority group. D) It helps preserve minority group membership and identity. E) It provides a power base and a defense in relation to the host society
Moist air from the Gulf of Mexico moves west toward the Rocky Mountains, forming ________ fog
Fill in the blank(s) with the appropriate word(s).
Intrusive igneous rocks are ____
a. coarse-grained b. clasts c. regolith d. rapidly cooled