The relative age of a fossil is how old it is compared to other fossils. The absolute age is how long it took to form. Also see the law of superposition. If I have not answered your intended question, delete my answer.
Grassy plains because most of africa's plains have less trees than grass
I don't know your text, but the correct answer is: b) egalitarian family. The word "egalitarian" means "equal for everyone" so it refers to the fact that both parents have the same power.
A family in which the father decides everything would be called a patriarchal family.
