Carbonaceous chondrites are meteorites that have
a. never been melted since formation from solid particles in the solar nebula.
b. totally melted after formation.
c. been made from hydrogen and helium.
d. never entered Earth's atmosphere.
e. entered Earth's atmosphere but will be destroyed before reaching the ground.
Question 2
The Widmansttten patterns found in some meteorites show that the material
a. cooled very slowly.
b. cooled very rapidly.
c. was never heated to the point of being molten.
d. was molten just before it entered Earth's atmosphere.
e. is composed primarily of organic compounds.
Nondisjunction during the formation of haploid cells.
Surface Fronts and Upper-Level Patterns: Cold Fronts and the Formation of Upper-Level Troughs
Conditions Necessary for Hurricane Formation
Formation of Pangaea
Condensation and Cloud Formation
Linkage of two nucleotides by the formation