michellealvarez985

07.07.2019 • 

Biology

An important difference in the life cycles of placental and marsupial mammals is that a) marsupials live only on small, remote islands. b) marsupials give birth to underdeveloped young that continue development outside the mother's body. c) placental mammals produce embryos through external fertilization; marsupials through internal fertilization. d) marsupials produce offspring through eternal fertilization; fertilization and embryo development occurs in a pouch.

Ответ:

mckleinrivero

22.01.2023

Biology

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The answer is a because it say when u add the h+ ions in the periodic table

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