Placental mammals devope

a. in a n egg laid in water.
b. in a pouch on the mother's body.
c. inside the mother's body.
d. inside an amniotic

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Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

What substance acts to prevent sudden ph changes in bodily fluids?

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.