By what age do infants develop a preference for salty tastes?

Find a word that makes the both words

Which of the following is not a feature of the surface mining control and reclamation act? regulation of surface coal mines repayment of loss of benefits to ill mine workers restoration of lands to pre-mining conditions retroactivity return of land to original topography

Can someone answer this question without telling me to try my best if i don’t finish my flvs work will i not be able to move to the next grade