How does fire help matter cycle through the biotic and abiotic parts of an ecosystem?

What abo controlling alleles could kim give her child

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.

Identify the area on the image where the force of attraction is the strongest.