Mortar was a combination of sand, lime and water used as a bonding agent in ashlar masonry (a type
of construction that mostly uses rectangular blocks
of stone). It was very common in the ancient world.
What was the major contribution the Romans made
to the mortar recipe, and how did it improve
building? (Answer must be at least 2-3 complete
sentences.)

answer; the period of time known as the middle ages;

the answer to this question is the third option. hope this

the correct answer is b

hope i someone

valentina tereshkova

soviet cosmonaut valentina tereshkova became the first woman to fly to space when she launched on the vostok 6 mission june 16, 1963. valentina tereshkova was the first woman to go into space. in 1963, she spent almost three days in space and orbited earth 48 times in her space capsule, vostok 6.jan 22, 2018