an alien invasion is scheduled for sometime next week. But the experts cannot crack the code to find out the day and time. help them out. use any map in your atlas to locate the following countries. The first letter of each place name will tell you when to expect the invasion

Answer metamorphic rock;

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.