Q: What does hypoxic mean?


Read this paragraph and choose the correct option from the provided answers:

The pond on the left is covered with algae because there is too much nitrogen in the water. The red-shaded area in the map on the right is a dead zone in the Gulf of Mexico. It’s called the hypoxic (“low oxygen”) zone in the figure.

 Choices:

- standard oxygen level

- Oxygen rate

- higher oxygen

- low oxygen


A:
low oxygen