A. True
They are formed behind an obstacle when the wind blows the sand up to it.
Answer:
Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
Answer:
All the individuals of a species living within a specific area are collectively called a population.
Explanation:
Answer:
B
Explanation:
They use energy from sunlight to synthesise glucose from carbon dioxide and water.