Which court decision protected students right to free speech as early as 1969? a.) earl b.) tinker c.) acton d.) brown

The right option is; b.) tinker

Tinker is the court decision that protected students’ right to free speech as early as 1969.

Tinker is a U.S. Supreme Court ruling that granted students’ right to free speech in public schools in 1969. It was during the Vietnam war that the ruling occurred due to the protest that was carried out by Mary Beth Tinker and a group of students. Students were granted the right to freedom of expression as long as they did not disturb the classroom or interfere with school discipline.

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: