QUESTION $2[10]$

$2\mathrm{.}1.$ Describe process of determining dry matter $($DM$)$ content and give its formula. $(5)$

$2\mathrm{.}2.$ If a batch of corn weighs $2$ kg in as fed $($fresh$)$ and the dry weight is $0\mathrm{.}7$ kg$,$ what

is the DM$\%?(5)$