The last blue box says “the temperature increases in the center of a nebula, and nuclei begin to fuse. (I couldn’t fit it in the pic) Question: Arrange the events in the life of a star in the correct order.

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.

idk and i also need to know where are those bio brainy acts lol