Answer: The sun is closer to Earth than the runaway star.
Explanation: well, i mean it's closer so light travels faster. It is closer in diameter and there for blocks the view of the earth more, appearing brighter.
Polarity affects hydrogen bonding because hydrogen bonding occurs due to a bond being polar. One side of the bond will be slightly more negative because it's pulling more electrons towards itself and the other side of the bond will be more positive. Therefore the partially positive bond of one molecule will be attracted to the partially negative bond of another molecule. This is called an intermolecular force and hydrogen bonds are the strongest intermolecular force.
over 70 percent of water goes in agriculture irrigation.
In most regions of the world, over 70 percent of freshwater is used for agriculture. By 2050, feeding a planet of 9 billion people will require an estimated 50 percent increase in agricultural production and a 15 percent increase in water withdrawals.
B. Sexual reproduction increases genetic diversity