Which of the following changes takes place during the third trimester of a women’s pregnancy

During the third trimester, your baby's brain and neuron development is in full effect. The brain continues to develop the important neural connections for the five senses, so your baby can get ready to see, feel, touch, taste and hear when they're born. They even start dreaming—rapid eye movement has been detected

i am going to guess that it is co2.

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.