How did cyanobacteria aid the evolution of complex life on land? Do you think cyanobacteria are as significant to this process today as they were during Precambrian time? wright a paragraph to support your thoughts.

In vernonia school district v. acton, the school district argued that a drug test was illegal under any circumstances. no student could refuse to take a drug test. drug tests were not given at random. drug testing was necessary to protect all students.

In western europe, under the , jews enjoyed some autonomy. then, during the post–french revolution period, was also tolerant toward the jews.

How did philip ii view the religious rights of protestant citizens in his empire