Answer:
“Collaborative learning” is an umbrella term for a variety of educational approaches involving joint intellectual effort by students, or students and teachers together. Usually, students are working in groups of two or more, mutually searching for understanding, solutions, or meanings, or creating a product.
After diving for cover in a gutter, the New York World correspondent came face-to-face with a Russian officer and asked him what was happening. “The Russians, my countrymen, are idiots,” he replied. “This is a white night of madness.”
Answer:
"which became popular in the 1960s"
Explanation:
"which became popular in the 1960s" is the answer because is starts with 'which'
