ページ3:

C. why
A
That is why bio-logging can be a great
tool to discover the truth about wild
animals.
理由を説明する
KOKUYO

ページ4:

②方法を説明したいとき
.
hows+V (=the way str)「Sがする方法
This is how we get important data for
animal research.

ページ5:

③時や場所に補足・追加の説明を加え
a. ~, when...
P
たいとき
Only 95 seconds later, when the penguin
was about to reach the surface again, the
heart rate was estimated to be as low as 27 bpm.
時について補足説明する
KOKUYO

ページ6:

b. ~, where...
Actually, this research took place in the bush,
where prey couldn't run at its full speed.
In this digital age, we can easily post
information on the Internet, where truth and
lies are all mixed together.
場所について補足説明する