Question

4
dioxide
8
evolution
5
10.5.2 Use words from the Check these
words box in their correct form to complete
the sentences.
1 Our lungs can't ......
with too
much oxygen.
2 In the past, insects had bigger
than they do today.
3 Oxygen is ....
........... in large doses
because it produces free radicals.
into think that animals first

Answer 1

Ответ:1. cope

2.Wings

3.Toxic

4.Ventured

Объяснение: