A and B is the correct answer lava is formed before crust
Carbonization is the conversion of organic matters into carbon.
<h3>What is carbonization?</h3>
This is the scientific process that is used to convert matter such as dead plants and also dead animals.
The process uses destructive distillation to turn these matter into carbon.
The fuel that is heated in the process is done without the use of air.
Read more on carbonization here: brainly.com/question/1059128
A vast, flat,treeless arctic region of Europe,Asia,&& North America in which the subsoil is permanently frozen.
Many people still think that United States is still a leader of the free world.
<u>Explanation:</u>
Even after the end of the colonization in the world and with the end of the cold war between the United States of America and the USSR, some people still think that the United States is still the leader of the countries in the free world.
The way with which the United States rule is with the trade policies of the country towards the other countries or the strong financial position of the country.