Find the grammar mistakes in all six sentences.

1: The longest I've ever held my breath is one minute and 46 seconds.

2: I thought that was pretty ok. / I thought that was pretty good.

3: Then I read somewhere that a beaver can swim underwater for one-half mile, and they can hold their breath for 15 minutes.

4: An otter can stay underwater for three to four minutes.

5: These animals spend much of their lives in the water, so I can understand how they build up their lung power.

6: This just goes to show that each species develop the strength they need to survive.

Explanation:

nervous or scared i would say

hope this ! (if thats not it give me the answer choices)

which is the following what are you asking?