Q: Different forms of the same element are called what? Choices: - subclasses - amines - polymorphs - allotropes A:
allotropes

Q: What happens to a tectonic plate when it subducts? Choices: - it warms - it cracks - it sinks - it melts A:
it melts

Q: Q: In addition to a vibrating electric field what does an electromagnetic wave consist of? Choices: - radiation field - molecular field - gravitational field - magnetic field A:
A: magnetic field

Question: Q: What is the fracture called when rocks on both sides move? Choices: - a crevice - a shear - a stress fracture - a fault A:
Answer: a fault

*Question*
Q: What kind of metals have perplexing patterns of electron distribution that don't always follow the electron filling rules? Choices: - solution - transformation - variating - transition A:
**Answer**
transition

Q: Q: What is the period from earth's origin to the beginning of the phanerozoic eon? Choices: - Paleolithic - Cenozoic - anatolian - precambrian A:
A: precambrian