It's time for Margaret to give her baby his bath. The water is warm and she adds bubble bath to the water. When she puts her baby in the water, the baby splashes around and plays with the bubbles, and genuinely appears to enjoy himself because his is/are being stimulated.
Select one:
a. curiosity
b. brain
c. socialization skills
d. sense organs

Option D, sense organs

Explanation:

Since the sense organs of the baby are active, he/she could feel the warmth of the water. He/she could view the bubbles formed in the water which on touching are splashing/bursting. Here the baby is utilizing his/her eyes  for seeing the bubbles and hand (skin) to burst them. Since, the baby is able to sense all the pleasures and sensations associated with bathing in warm water, he/she is enjoying.  

Hence, option D is correct

the oldest known insects are believed to live around 400 millions ago as suggested by the fossil records.   some plants having woody stems also evolved during this time.

after the evolution of insects the first four legged species or the tetrapods evolved in shallow freshwater habitats from the intermediate species approximately 397 million years ago. the tetrapods went on conquering the land giving rise to amphibians, reptiles, mammals and birds.

the major split in tetrapods first occurred 340 million years ago branching off from amphibians.

363 million years ago when the carboniferous period began the insects started roaming on land and taking flights, following which the four limbed tetrapods adapted in the terrestrial habitat.

answer;

medical directors

explanation;

medical directors grants and supervises the privilege or permission to use an aed on an ambulance.

other roles of a medical director includes;

-provide medical leadership, including coordination with local ems and 911 centers.

-provide guidance in equipment selection and deployment

-develop guidelines for responder actions

-oversee medical care that is rendered through the program, including review of all responses to medical emergencies

-ensure appropriate initial training and skill maintenance

-assume overall responsibility for the conduct and operation of all patient care related activities