What is the main cause of urban migration in the United States quizlet? The urban migration was caused by the increase of jobs in cities during the industrial revolution and the improved access to goods and services that came with changes in transportation. What caused the population shift from rural to urban? Urbanisation results from […]
What happens to the two small balloons as you push up the big balloon at the bottom?
What happens to the two small balloons as you push up the big balloon at the bottom? When you pull down the balloon in the bottom, the two small balloons will increased in volume or expand. When the pressure decreases, the surrounding air particle will enter the two balloon and causes it to expand. What […]
Why atoms tend to lose and gain electrons?
Why atoms tend to lose and gain electrons? Most atoms do not have eight electrons in their valence electron shell. Atoms that lose electrons acquire a positive charge as a result because they are left with fewer negatively charged electrons to balance the positive charges of the protons in the nucleus. Positively charged ions are […]
What is a good U-value?
What is a good U-value? The best insulating materials have a U-value of close to zero – the lower the better. Building regulations currently stipulate that for a new building, the elements must have maximum U-values as follows: Wall – 0.3 W/m2k. Roof – 0.15 W/m2k. What is a good window U-value? In a cold […]
What does overcoming inertia mean?
Why does my capacitor stay on when car is off?
Is heat a scalar or vector quantity?
Is heat a scalar or vector quantity? Heat is an aggregate measure of the amount of energy stored in a system of particles (a single particle doesn’t have a temperature), but it doesn’t point in any particular direction, so it’s a scalar. What is a zero vector give an example? When the magnitude of a […]
How old was the oldest rock layer?
How old was the oldest rock layer? The oldest zircon dates are 4.36 billion years. Before this study, the oldest dated rocks were from a body of rock known as the Acasta Gneiss in the Northwest Territories, which are 4.03 billion years old. Which Paleozoic rock layer is the oldest? layer C Is fault H […]
Who is the killer Riddle image?
What is the sound of a ship called?
What is the sound of a ship called? The sound of ship’s siren on the steam ship “Sołdek”. The recording was realized on board of the ship-museum belonging to the National Maritime Museum in Gdańsk (Poland). The sound of ship’s siren was used as so called fog signal, i.e. sound signal emitted by the ship […]