How is nitrogren 'fixed' into a useable form for plants? a through action of bacteria & lightning
b only through action of bacteria
c only through lightning
d photosynthesis

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

it is called the mitotic spindle