The procedure for obtaining reagents from the laboratory stock stations is to select one: a. take your container to the stock station for the material b. take the reagent bottle to your table and pour out what you need c. pass the reagent bottle from one table to another d. have the teacher get the reagent for you

all eukaryotic cell have mitochondria : )

i believe the answer is three water molecules

answer: semi-infinite solid initially at a uniform temperature of 400 ◦c is cooled at its surface by convection. the cooling fluid at a constant temperature of 200 ◦c has a convective coefficient (ha) of 250 w/m2.k. the physical properties of the solid: k = 20 w/m.k and α = 4 * 10-5  m2/s. using δx = 0.04 m and δt = 10 s. write the finite difference equations describing the transient heat transfer of the first five δx and the temperature profile after 30 s.