Why have most companies started to extract lithium from brine water rather than mineral ore?

a: the process is less expensive
b: the quality of lithium is higher
c: the ore deposits have been depleted
d: the process is less time consuming

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation