Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to take notes for science [title] Have a separate notebook for science. [step] It can get confusing when you have all your notes from all your subjects crammed into one notebook. You might want to think about having a separate notebook for all your subjects, so your science notes don't get mixed up with your math and language arts notes.

Ending1: [substeps] Make sure your notebook's subject matter is clearly in chronological order. It can be helpful to create separate notes to take to specific subjects, but that isn't always necessary. Ending2: [title] Start a brand new page for a new topic. [step] It doesn't matter if the last section stopped halfway through a page, that subject of notes has ended and you need to start a new page. Ending3: Having other things to bring with you to class can prevent the confusion. [substeps] Keep them separate from other notes or at least keep extra notebook for something additional to work with during the lecture. Ending4: [substeps] If your notes to science are mixed up and you're not writing them down on a piece of paper, make sure your notebook is easy to find and visible so you won't get lost. [title] Lay out a central idea for your final course.

Answer format: ending1/ending2/ending3/ending4