Why are a plant's stomata generally open during the day and closed at night?

Brainliest ! is slowing down a car an example of acceleration? explain. - explain correctly

What will happen if deforestation continue to destroy the green plant on the planet

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.