Question $18$

$1$ pts

Hypoxic conditions occur when dissolved oxygen levels fall below $q,$ mL of $\frac{O_2}{L}$ of water, which will cause fish and other marine life to abandon their habitats or die.

$5\mathrm{.}0$

$2\mathrm{.}0$

$1\mathrm{.}0$

$10\mathrm{.}0$