a heavy liquid with a density 11g is poured into a U-tube as shown in the left tube figure below. the lady hand arm of the tube had a cross-sectional arena of 8.21 cm , and the right hand arm has a cross-sectional area of 3.72 cm. a quantity 91g of a light liquid with a density 1.3 cm is then poured into the right-hand arm as shown in the right hand figure below. determine the height L of the light liquid in the column in the right arm of the U-tube, as shown in the second figure above . answer in units of cm

Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?