Alaina is pregnant and has undergone prenatal testing. The initial tests raised some red flags, and a subsequent DNA test confirmed that the fetus does in fact have three copies of chromosome 21, or:
Down syndrome.

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.