Answer:
A regular decagon has 10 reflectional symmetries.
A regular decagon is a two-dimensional shape that has 10 sides of equal length
The correct answers are:
- half;
- 415;
South America is a continent that has a steady rise in its population. It has around 415 million people and if the trend of rise continues, very quickly the continent will reach the mark of half a billion people.
The biggest, and also the most populous country in South America is Brazil. Brazil has an estimated population of around 209 million people, and it is growing population. Brazil's population accounts for approximately half of the population on the continent.
Answer: a. True
Explanation:
In the pursuit of acquiring more fresh water, fog harvesting was introduced. It is a way to capture fog which is water vapor that is condensed but close to the surface. Fog has the tendency of reverting to water's liquid form when it comes into contact with objects.
Collecting water from fog involves using a net where the water will collect and fall due to gravity into a conduit such as a trough or gutter that will then take it to a storage tank.
All of the above are correct
