Category: Physics

Can your body defeat cancer? Immune cells eliminate tiny tumours In the very early stages of cancer our immune cells do a good job of killing individual cancer cells as they arise. This is known as the ‘eliminating phase’, where immune cells are in control of the tumour and calmly carry out their work. Can […]

What state has the best four seasons? Western North Carolina What is the #1 most dangerous state for weather disasters? These are the nine states with the most dangerous weather. Alabama. • Missouri. • 5-year average annual weather-related fatalities: 8.4 per 1 million residents. Wyoming. • 5-year average annual weather-related fatalities: 8.0 per 1 million […]

Which is the correct order of the steps for cleaning and sanitizing wash sanitize rinse air dry? rinse, scrape, or soak items before washing them. wash items in the first sink. rinse items in second sink. sanitize items in third sink. air dry items on a clean and sanitized surface. What are the 2 methods […]

What is the density of a substance of mass? The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre. For example, the density of water is 1 gram per cubic centimetre, and Earth’s density is […]

How are convex lenses used in everyday life? They are used to make telescopes. 1) Convex lens is used in microscopes and magnifying glasses to subject all the light to a specific point. 2) Convex lens is used as a camera lens in cameras as they focus light for a clean picture. 3) Convex lens […]

What gives your skin color? Your skin gets its color from a pigment called melanin. Special cells in the skin make melanin. When these cells become damaged or unhealthy, it affects melanin production. How can I increase melanin in my hair? Can certain foods boost melanin growth in hair? Foods rich in antioxidants. Many foods […]

What is called covalent bond? Covalent bond, in chemistry, the interatomic linkage that results from the sharing of an electron pair between two atoms. The binding arises from the electrostatic attraction of their nuclei for the same electrons. Where is the covalent bond in DNA? The DNA double helix has two types of bonds, covalent […]

How 2020 is a unique leap year? 2020 is a unique Leap Year. It has 29 days in February, 300 days in March and 5 years in April. May may never never end end. Why is February called February? February is named after an ancient Roman festival of purification called Februa. The Roman calendar originally […]

What does a deep S wave indicate? T HE presence of a deep S wave in leads. V1 or V2 is often interpreted as evidence. suggesting left ventricular hypertrophy. What does a small S wave indicate? You will also have seen a small negative wave following the large R wave. This is known as an […]

What is the focal point of an artwork? The focal point of a painting is the area in the composition to which the viewer’s eye is naturally drawn. It is essential to classic art, although abstract artists may deliberately create compositions without focal points. Focal points may be of any shape, size or color. Is […]