Salt which can be used as supplement of calcium & iron are obtained from . 1. carbonic acid
2. acetic acid
3. critic acid
4. cluconic acid ​

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.

Which rate indicates the number of children that would be born per women if she were to live to the end of her child-bearing years