Trent is an infant who lacks the toys and videos that promote brain development. he spends much of his day in a playpen with kitchen items for toys, listening to his grandmother sing while his mother works outside the home. in this situation, trent's brain development will most likely

Trent's brain development is most likely to be delayed and child will become dull and he may shows behavioral disorders in advanced stage.

Explanation:

Toys and colorful videos do play a pivotal role in all round development of a child, whether brain or mental development or physical fitness. Toys helps in the development of neuro-coordination skills, fine motor skills, sensory alertness, increases IQ level through various constructive toys and puzzle solving toys. In regards to video, the child is exposed to vivid colors which enhances the color receptors of eyes and color conception of the brain. Any child favorable videos like cartoon or rhymes help the to increase concentration, harmonious coordination between visual and audtitory nerves along with corresponding areas of brain. The brain development of any child devoid of all these, will obviously becomes delayed.

the answer is b.) hydrogen bonds between bases.

the glands which are associated with each description is given below: