The scientist stephen hawking is well-known for using what assistive technology?
a) american sign language
b) speech-generating devices
c) video conferencing
d) all of the above

The answer is A, B, and C, so its D) All of the above

it's a nutrition food for pregnant mothers so they unborn child can get its nutrition that it needs to grow in to a healthy baby.

explanation:

and the mother is getting all of her nutrition and her calcium and vitamins .