Answer:
Plastics are used to make bicycle helmets, child safety seats and airbags in automobiles. They're in the cell phones, televisions, computers and other electronic equipment that makes modern life possible. They're in the roofs, walls, flooring and insulation that make homes and buildings energy efficient.
Trench warfare caused the immobilization of troops on the: a. western front.
trench warfare is a land warefare using for fighting lines, which is the troops are protected and substantially sheltered from artilery.
hope this help
THERES A QUICK ANSWER:
The four geographical boundaries that divide Europe from Asia are the Bosphorus, the Dardanelles, the Caucasus and the Ural Mountains. Together, these four boundaries create a geographical line that stretches extends north to south through the western quarter of Russia, goes around the western boarder of Kazakhstan and the Caspian Sea, and runs east to west along the northern border of Turkey and Azerbaijan.
Limestone. limestone is the youngest.
