A matrilineal system is one in which ?

A matriline is a line of descent from a female ancestor to a descendant (of either sex) in which the individuals in all intervening generations are mothers – in other words, a "mother line". In a matrilineal descent system, an individual is considered to belong to the same descent group as their mother.

Matrilineal society, also called matriliny, group adhering to a kinship system in which ancestral descent is traced through maternal instead of paternal lines (the latter being termed patrilineage or patriliny).

c. mass = force / accellaration

step-by-step explanation:

b toward the volcano.landward. the landward side of something is the side nearest to the land or facing the land, rather than the sea.