Answer:
Babies that are three months old are capable of learning this, and they retain the knowledge for one month if it is not reinforced. By this point, an infant's vision is good enough that they can see the mobile above them, and not just their mother's face, which was the range of their vision at birth. Their cognitive processes are also developed enough to connect their action to the mobile's movement.
Explanation:
Small utilities also limited equipment and little lab work<span />
The Answer You Are Looking For is "C" , exons (:
-Jojo
Bright field microscope
The field of vision of bright field microscope is brightly illuminated and used for most microscopic work.
Bright field microscope is the simple popular form of microscope illumination techniques. Bright field microscope is usually used with compound microscopes. The light path of a bright-field microscope is brightly illuminated and very simple. The light path is composed of a transillumination light source, an objective lens, a condenser lens, and oculars to view the sample image.