Las moléculas de alcohol isopropílico tienen una parte polar y no polar, lo que significa que pueden formar enlaces de hidrógeno con el agua y, por lo tanto, pueden mezclarse con ella. ... Como resultado, el alcohol se vuelve inmiscible con el agua y comienza a formar una capa separada.
These lines are called latitude lines which go around the earth horizontally
The correct answer is - lumber.
The lumber is both renewable and inexpensive resource, and it also can be found in every continent, apart from Antarctica. Still, the usage of lumber has to be managed carefully and with nice planning, because so far, the usage of lumber is surpassing the trees being planted to replace them, and that led to the total destruction of lots of forests throughout the world. This is a very easy thing to do, so the authorities have to force the companies in this industry to replant the areas from where the trees are cut, thus to have a proper usage of it, stable reserves, and protect the environment.
To avoid any head injuries if one falls while driving a scooter
