What are the 2 different types of crust? Earth’s crust is divided into two types: oceanic crust and continental crust. The transition zone between these two types of crust is sometimes called the Conrad discontinuity. Silicates (mostly compounds made of silicon and oxygen) are the most abundant rocks and minerals in both oceanic and continental […]
Does 140 100 require medication?
Does 140 100 require medication? Stage 2 high blood pressure is 140/90 or higher. If you get a blood pressure reading of 180/110 or higher more than once, seek medical treatment right away. A reading this high is considered “hypertensive crisis.” Readings between 120/80 and 129/89 are considered pre-hypertension. Is Stage 2 hypertension an emergency? […]
Which part of human ear converts sound vibrations?
Which part of human ear converts sound vibrations? cochlea When you speak into a cell phone your sound waves must be converted? When you speak into a cell phone, your sound waves must be converted into microwave in order to transmit the signal. The cell phone uses 800 MHz and 1900 MHz frequency range. It […]
Which scientist died a virgin?
Which scientist died a virgin? Isaac Newton Who died from eating mercury? Karen Elizabeth Wetterhahn (October 16, 1948 – June 8, 1997) was an American professor of chemistry at Dartmouth College, New Hampshire, who specialized in toxic metal exposure. She died of mercury poisoning at the age of 48 due to accidental exposure to the […]
Do gamma rays travel faster than light?
Do gamma rays travel faster than light? Although the energy inherent to light is quantized into discrete energy packets (a.k.a., photons), there are some properties shared by all forms of light. Light of any wavelength, from picometer-wavelength gamma-rays to radio waves more than a trillion times longer, all move at the speed of light in […]
What forces act on a still object?
What forces act on a still object? Force is defined as a push or pull acting on an object. Forces include gravity, friction, and applied force. Force causes changes in the speed or direction of motion. These changes are called acceleration. What forces can change the shape of an object? When a force acts on […]
What is period of the wave?
Is it rude to say here you go?
Which represents the size of a population?
Which represents the size of a population? Population size is the number of individuals in a population. For example, a population ofinsects might consist of 100 individual insects, or many more. Population size influences the chances of a species surviving or going extinct. Generally, very small populations are at greatest risk of extinction. What are […]
Who gave the first evidence of Big Bang Theory?
Who gave the first evidence of Big Bang Theory? Georges Lemaître Where did Big Bang come from? Etymology. English astronomer Fred Hoyle is credited with coining the term “Big Bang” during a talk for a March 1949 BBC Radio broadcast, saying: “These theories were based on the hypothesis that all the matter in the universe […]