3 * Fill in: free, sea, breathing animal, large, life.
1 Antarctica is home to
life dependent
on the sea, such as the Emperor Penguin.
2 Scientists have not identified all the different
forms on Earth yet.
3
radicals are molecules responsible
for aging and tissue damage.
4 The
system of fish differs from other
animals; fish have gills, while mammals have lungs.
5 Our lungs would collapse if we inhaled
doses of oxygen.
6 You can find
algae floating on
many large bodies of water.​
.
.

лариса219    2   08.12.2020 01:27    8