What is the relationship between light and photography?

What is the relationship between light and photography? The relationship between the light, the subject and the viewer is at the heart of Lighting. The photographic subject can transmit, absorb or reflect photons (light particles). What is light and why it is important to photography? Lighting is a key factor in creating a successful image. […]

Can I scrape plaque off my teeth?

Can I scrape plaque off my teeth? Brushing and flossing daily is really important because plaque quickly becomes tartar, and once it’s tartar, you can’t remove it on your own, or at least, you shouldn’t. Tartar build-up needs to be scraped off, and trying to do this at home can cause you to scratch the […]

What are the top 5 exercises?

What are the top 5 exercises? 7 Most Effective Exercises Walking. Any exercise program should include cardiovascular exercise, which strengthens the heart and burns calories. Interval training. Squats. Lunges. Push-ups. Abdominal Crunches. Bent-over Row. How can I get my flexibility back? Bend your knees and keep a straight back when picking up your weight. Place […]

How do gamma rays work?

How do gamma rays work? Gamma-rays have the smallest wavelengths and the most energy of any other wave in the electromagnetic spectrum. These waves are generated by radioactive atoms and in nuclear explosions. Gamma-rays can kill living cells, a fact which medicine uses to its advantage, using gamma-rays to kill cancerous cells. Why are gamma […]

What does left curve mean?

What does left curve mean? The roadway ahead curves to the left. Slow your speed and keep well to the right. The sign may be accompanied by an advisory speed placard, helping you navigate the curve safely. What are the two classification of lines? How many types of lines are there? There are two basic […]

What is the most important protein in the body?

What is the most important protein in the body? Collagen is the most abundant protein in your body and is the structural protein of your bones, tendons, ligaments and skin ( 14 ). Elastin is several hundred times more flexible than collagen. What are the 3 top sources of protein? The two main food groups […]

What is the best sampling method?

What is the best sampling method? Random sampling What are the 4 types of sampling? There are four main types of probability sample. Simple random sampling. In a simple random sample, every member of the population has an equal chance of being selected. Systematic sampling. Stratified sampling. Cluster sampling. What are the sampling methods? Methods […]

What are the 10 principles of community policing?

What are the 10 principles of community policing? Philosophy and organisational strategy. Commitment to community empowerment. Decentralised and personalised policing. Immediate and long-term proactive problem solving. Ethics, legality, responsibility and trust. Expanding the police mandate. Helping those with special needs. Grass-roots creativity and support. Does community based policing work? There is research to demonstrate that […]

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