Answer:
Rays of light emanate from a real image, but only appear to do so from a virtual image.
Explanation:
- The real images are inverted to the object and rays of light are emitted from the virtual object tends to do so and this image is always bigger than the object.
- Thus a real image occurs where the rays of light converge and a virtual Image occurs when the rays of light diverge and a virtual image can't be projected to a screen as compared to a real image.
<u>Answer:</u>
A geographer would collect a city's historical data about the census and the occurrences of natural disasters in order to study the impact of demographics and calamities on the geographical features of the region.
<u>Explanation:</u>
- The discipline of Geography is made up of two broad classes. One is Physical Geography and the other is Human Geography.
- These two classes are interdependent and their functioning is coherent.
- The study of a region's Geography is incomplete without the studies of the region's demography and the occurrences of natural disaster in the region, for their impact on the regional geography is immense.
Around 1800 (plus or minus about 5 years) is when it was estimated that the world's population had reached 1 billion.
Gps may help locate earthquakes.
