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If the answer is a decimal, you start from the left and ignore any 0s- only count numbers that are not 0. For example, 0.0002 is to 1 significant figure even though there are 3 zeros before the 2. If the ...

Osmoregulation is the homeostatic control of the water potential of the blood. The kidneys are involved in filtering the blood and deciding which substances to reabsorb and which to excrete as waste. Tiny...

6x + xdy/dx + y + 2ydy/dx - 4 - 6dy/dx = 0xdy/dx + 2ydy/dx - 6dy/dx = 4 - 6x - ydy/dx (x + 2y - 6) = 4 - 6x - ydy/dx = (4-6x-y)/x+2y-6)

v^2 = u^2 +2as, v^2-u^2 = 2as, (v^2-u^2)/2*a = s, End

DNA replication is the process by which DNA makes a copy of itself. This happens before cell division so that each daughter cell receives an identical copy of the DNA. In order for DNA replication to occu...