Gardening includes knowledge of soil as well as knowledge of plants. Without the proper soil, plants may die. A good gardener knows how to amend the soil with organic materials and sometimes sand or lime.
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Quite simply, it isn't. In the 18th and 19th century, most scientists were polymaths - the same scientist might examine questions in biology and physics and then go on to look at geology or chemistry without thinking that he (and it usually was a he) was looking at a different subject. As we came to know more of how the world worked, it became convenient for people to specialise in certain areas of knowledge - to be good at chemistry involved so much chemical knowledge that it was no longer possible for a single person to know all of chemistry AND also be much good at, say, Geology. At that stage, scientific study was split into areas relating to different areas - physics, chemistry, biology, geology, zoology, medicine etc., mainly because the areas were easier to teach that way. We are now at the stage where no normal scientist can understand all of any single subject, so a chemist might specialise in physical chemistry or inorganic chemistry, and even within that specialisation, they will become an expert in only a small area. The best science now involves several scientists collaborating - bringing their expertise in chemistry with someone else's expertise in biology and another person's expertise in medicine, for example, to aim at a cure for a particular disease. Finally, don't think about science being a subject - it is a method of thinking that allows you to put up an idea, test it with an experiment and see if your idea holds water, whether it needs to be improved, or whether it is wrong and needs to be discarded.
All sciences use the basics of chemistry to get started. Biology, Zoology, botany, and medical sciences use chemistry in them along with electrical engineering that needs to make currents.
A volcanologist needs training in many different fields. calculus, physics, geology and mechanics all need to be taken. Most volcanologists have a PH.D although some feel a master's degree is sufficient.
The hypothesis of abiogenesis. Google that as it is a far ranging subject that needs to be read in detail.
it isnt! it is the stupidist subject i have ever tried to learn know one needs this crap its too hard
You cannot make knowledge only by itself. It needs a subject. For e.g: Knowledge about Climate Change, Knowledge About Technology and other things that uses knowledge here on earth. We cannot make knowledge but we can make intelligence, like Artificial Intelligence.
Because successful farmers need many interdependent components forming a unified whole that we call "farming". Knowledge of agronomy, entomology, botany, zoology, and mechanical science are just a few of the abilities a farmer needs.
Economics
A good groundskeeper needs to be a grass expert. They need to understand nutrition and growth.
When selecting a speech subject, consider your interests, expertise, and the audience's needs. Choose a topic that engages you, aligns with your knowledge or experiences, and is relevant or valuable to your audience. Additionally, consider the occasion or purpose of the speech to ensure your subject fits the context.
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Technology.
An airline pilot needs basic knowledge of geography so he can be aware of his surroundings. This is vital when near mountains, or when needing to land without an airport.
Research and Planning
you can be bad at a sport
needs is the third person singular form of need. Need is a regular verb.Use needs with he/she/it or singular noun subject egShe needs to go home.It needs to rain soon.The teacher needs to see you. (singular noun subject)