Minerals that possess ____________________ break, or split, along ...

[bucstennis@aim.com]

Minerals that possess ___________________ _ break, or split, along smooth planes of weakness determined by the strength of their chemical bonds. In contrast, a(n) ___________________ _ is mineral breakage along irregular surfaces.
 Fill in the blank(s) with correct word

Question 2

Mutations involve some kind of change in _____.
 A)species
 B)chromosomes
 C)alleles
 D)offspring
 E)populations

[Chou]

Answer to Question 1

cleavage, fracture

Answer to Question 2

B

[bucstennis@aim.com]

Thanks for the timely response, appreciate it

[xthemafja]

Great answer, keep it coming