Answer:
(3) protons
Explanation:
Magnetic fields are produced by charged particles in motion. Let's analyze each option:
(1) x rays --> they consist of photons, which are neutral particles, so they don't produce magnetic fields
(2) gamma rays --> they consist of photons, which are neutral particles, so they don't produce magnetic fields
(3) protons --> protons are charged particles, so they can produce magnetic fields if they are in motion
(4) neutrons --> neutrons are neutral particles, so they don't produce magnetic fields
It's called selective attention. It consists of a very selective attention as the name sáis because we focuse on a single thing ignoring the rest, and that's why it is called that way. Most human beings have this type of attention because they focuse on a single thing, sometimes this attention is better for concentration but some others we also need to focuse in more than one thing to get a better result. You can work on your selective attention to improve it so you can focuse on the important things, there are various methods to do it and from my point of view are very useful. Hope this answered helped you and have a great day.
1)Having a Successful Studying Routine:Try to study over the course of a week, not just one night. Revisiting the information moves it from short-term memory (the kind that disappears almost immediately) to long-term memory, where you can retrieve it for later.[1] Ideally, take a look at the content a little bit every day.
2)Start as soon as possible:Organize a notebook and folder for the class. Keep all your papers together when you need to pull them out three months later. Keep your syllabus accessible to use it as a rough outline for the class. Don't forget to keep up the studying on a daily basis, don't leave it for the last minute!
3)Ask your teacher what things she/he want you to study:Remember, any little detail on a test can become a question!
4)Get some sleep:Before you go to bed , hit the hardest concepts. Then when you do hit the hay, your brain has hours and hours to let it sink in. The fluff can be tackled mid-afternoon -- let the difficult stuff stew overnight for maximum retention
5)Make time for breakfast:In fact:research says that your diet the week before the test matters, too! Students that were placed on a high-fat, high-carb diet did worse than those loading up on fruits, veggies, and complex, whole grains. Do yourself, your body, and your mind a favor by eating right. By eating right, you can get the right nutrients that your body needs, and you will be able to retain information better
At 24 to 36 months, a child will begin to develop magical thinking and engage in play acting.
Answer:
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