George washington was the first president
In the United States of America, you must at least 18 years of age to vote.
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The appropriate response is Nicolaus Copernicus. The heliocentric model says that the sun is at the focal point of the universe, and the absence of the move of stars intended to them that they were moving around a similar thing the Earth was, or the Sun.
Answer:
Strategies to reduce desertification
Planting more trees - the roots of trees hold the soil together and help to reduce soil erosion from wind and rain. Improving the quality of the soil - this can be managed by encouraging people to reduce the number of grazing animals they have and grow crops instead.
Answer:
Diamond have C-C bonds, so we do not expect difference in electronegativity since only are C atoms. In diamond the bonds are covalent as is expected for bonds between atoms with small difference in electronegativity (<1.7).
