What is represented by the dashed blue line and the solid black line in the image below? motion, vectors, scalars, distance, displacement​

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Nucleic acids offer variability because they contain alternate forms of genes called .

The diagram shows a chicken embryo and a human embryo