love issues? are you okay?
Answer:
D. These scientists also believe that wind strength is unpredictable and wind energy can only be suitable to particular areas where the wind blows well.
Explanation:
That answer shows that wind energy is unreliable.
Hope this helps:)
Answer:
became
took
was
changed
Explanation:
In the last hundred years, became much easier and more comfortable. In the 19th century, it took two or three months to cross North America by covered wagon. The trip was very rough and often dangerous. The situation changed a great deal over the last century. Now you can fly from New York to Los Angeles in a matter of hours.
Answer:
the tip of arrow is on lung
Yes. Some of them doesn't exist in real life but still look like it does exist on earth.