Answer:
Energy of each photon is given by 
Explanation:
We have given wavelength of light 
Speed of light 
Plank's constant 
We know that energy of photon is given by 
So energy is given by
Approximately 69% of earth's water is in the form of glacial ice.
Answer:
Helium
Explanation:
The sun produces energy by fusing hydrogen atoms into helium atoms. This is a nuclear fusion that occurs at the suns core.
Answer: The two major geographic features provided on the east and west boundaries of piece of land are:
1. The land is "Louisiana Purchase".
2. The east boundary is "Mississippi".
3. The west boundary is "The Rockies".
Explanation: The Louisiana purchase is a piece of land of about 530,000 acres which was sold by France to the US President which was Thomas Jefferson in 1804.
Answer:
taking data from a population rather than a specific group of people to gather information from
(random and most representative on a large scale of people)
