Answer:
protons is 7 neutrons should be 9
Explanation:
protons number is its atomic number
the number of protons and the number of neutrons determine an element's mass number.
The green house effect occurs when carbon dioxide and water vapor form an invisible blanket around the globe that allows the sun's light to enter, but traps the heat. Green house effect is a process that warms the Earth's surface. When the sun's energy reaches the Earth's atmosphere, some of it is reflected back to the space and the rest is absorbed and re-radiated by greenhouse gases.
Answer:
Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation
Explanation:
Answer:
Radio waves, microwaves, infrared and visible light can all be used for communication.