Which of the following measures an earthquake's intensity based on the observed impact on people and structures? *

Iam pretty sure it is c. 2000 bce

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.

Answeraquifer;

Iwould choose c or d