A hot object is emitting light with a peak wavelength corresponding to red light. If it's temperature increases further, will the peak wavelength shift toward blue light or toward infrared radiation?

The statement is : "to see the baby growing inside her".

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.

D. h2o + h2o > h3o + oh- confirmed.