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2
Horizontal
1. Unión de dos o mas elementos
2. Electrón en el último nivel
3. Sustancia pura representada en la tabla
periódica
Vertical
1. Enlace que comparten electrones
2. Subpartícula con carga negativa
3. Elemento esencial para la vida
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3
Pronar un acróstico con la nalabra ELECTRÓN
The nurse should include dirahea, dry mouth, vomiting, decreased sex drive, lack of coordination, tingly feelings, impotence, or difficulty having an orgasm.. good luck
answered: Guest
the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.
The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important
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.