Answer:
Alaska is called as mid night sun because of it's position in Arctic Circle,latitude 66°33' north.
Explanation:
- When the sun is located above the horizon for a full 24 hours,it is called as summer solstice and when it is located below the the horizon for a full 24 hours, it is called winter Solstice.
- In Alaska, sun travels at 360° direction in the sky thus Alaska receives 24 hour of light during summer time.
For the first question, it is cos48=2/3
The construction is aqueducts
A wave will travel only as long as it has energy to carry. The energy makes a wave travel and it will stop traveling as soon as the energy is dissipated.
