Which of the following is accurate about extrusive igneous rock

What is the approximate circumference of the circle shown below? 12.2 cm

All of the following came out of china and were exchanged along the silk road, except a. papermaking b. block printing c. buddhism d. compasses select the best answer from the choices provided a b c d

What are two australian geographical features that hindered early exploration? western plateau gulf of carpentaria great barrier reef great dividing range