The correct answer would be D) An observation that has a number associated with it.
Answer:
being important or famous.
Explanation:
The trends that shows the increasing use of renewable energy are:
- Houses and cars powered by solar energy
- Use of geothermal energy in areas with hot water springs
- Construction of wind energy farms in sea
- Research for cheaper and efficient material for solar cells and batteries
- Construction of dams to harvest kinetic energy of flowing water
- Research for alternative biofuels from the leftover husk of crops.
Stationary fronts occur when warm and cold air meet. This brings cloudy, and wet weather. So your answer would be C.
