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

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

you should wear a lead protective shield when having teeth x-rays

hope i

-lavira : )