<span>Hydrogen bonds do not
form in all molecules because hydrogen can only form these bonds with highly
electronegative atoms. It is a weak type of force that happens when a hydrogen
atom is bonded to an atom which has a high electronegativity. For water, it is present because hydrogen is bonded to oxygen which is very electronegative.</span>
Explanation:
females have the set XX and males have XY
Sam drives an excavator at an open surface strip coal mine. He has the most tendency to collect the lignite coal which is found in the outermost surface of the earth.
<h3>
What is Lignite?</h3>
The brown coal known as lignite, which is found in the topmost layer of the earth's crust, is frequently referred to as such and is essential for commercial use due to the fact that these coals are the only ones used for the majority of applications.
Electricity produced from lignite is plentiful, affordable, dependable, and environmentally friendly. Lignite is a flammable mineral that ranges in color from dark brown to black and was created over millions of years by the partial decomposition of plant matter under conditions of elevated pressure and temperature in an atmosphere devoid of air.
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