Why do we need to manage our resources? Following are the reasons why the management of natural resources is important: To maintain a balance in the ecosystem. To avoid further destruction of the environment. To avoid over-consumption of the natural resources. What are the two type of conservation? Conservation can broadly be divided into two […]
What are the basic parts of a simple electric motor?
What are the basic parts of a simple electric motor? A simple motor has the following parts: A power supply – mostly DC for a simple motor. Field Magnet – could be a permanent magnet or an electromagnet. An Armature or rotor. Commutator. Brushes. Axle. Are electric motors used today? They operate using principles of […]
What is Schottky defect with diagram?
What is Schottky defect with diagram? A Schottky defect is an excitation of the site occupations in a crystal lattice leading to point defects named after Walter H. In ionic crystals, this defect forms when oppositely charged ions leave their lattice sites and become incorporated for instance at the surface, creating oppositely charged vacancies. Why […]
What is another name for the extrusive rock?
What is another name for the extrusive rock? volcanic rocks What are the classification of igneous rock? As has already been described, igneous rocks are classified into four categories, based on either their chemistry or their mineral composition: felsic, intermediate, mafic, and ultramafic. What are some examples of an igneous rock? These rocks include: andesite, […]
What are the processes of physical and chemical weathering?
What are the processes of physical and chemical weathering? Physical, or mechanical, weathering happens when rock is broken through the force of another substance on the rock such as ice, running water, wind, rapid heating/cooling, or plant growth. Chemical weathering occurs when reactions between rock and another substance dissolve the rock, causing parts of it […]
Are COVID-19 vaccines safe?
Are COVID-19 vaccines safe? COVID-19 vaccines are safe and effective. Millions of people in the United States have received COVID-19 vaccines under the most intense safety monitoring in U.S. history. CDC recommends you get a COVID-19 vaccine as soon as you are eligible. Is the Covid vaccine safe long term? Because COVID-19 vaccines clinical trials […]
What are some the practical applications of science in your life?
What are some the practical applications of science in your life? Science is involved in cooking, eating, breathing, driving, playing, etc. The fabric we wear, the brush and paste we use, the shampoo, the talcum powder, the oil we apply, everything is the consequence of advancement of science. Life is unimaginable without all this, as […]
Does hypertonic move in or out?
Does hypertonic move in or out? Tonicity and cells Tonicity of solution Solute concentration Water moves… Hypertonic Higher solute in solution than in cell Out of the cell Isotonic Equal amounts of solute in cell and solution Into and out of cell at the same time Hypotonic Lower solute in solution than in cell Into […]
What is a good graph?
Do you pinch skin for IM injection?
Do you pinch skin for IM injection? Insert needle at an 45o angle to the skin. Pinch up on SQ tissue to prevent injecting into muscle. Aspiration before injection is not required. What size needle is used for a subcutaneous injection? 5/8″ needle What are the 3 types of injections? The three main types of […]