Small group #1: reasons for membership: level of satisfaction: small group #2: reasons for membership: level of satisfaction:

Which statements describe continental crust? select the three correct answers. a-it is formed in all parts of the continents. b-it is made mostly of volcanic rock. c-it is destroyed by melting near the top of the mantle. d-it is less than 10 km thick. e-its ages ranges from very young to more than 4 billion years old.

Halp there will be more

Which of these is a lower subgroup a. kingdom b. order c. genus d. species