harp seals on thin ice after 32 years of warming

Based on the information given between lines I and 18, what is the main purpose of the study led by Duke University?

According to the article, what is the suitable environment to breed young harp seals?

Complete the following by indicating to whom or to what the word/s underlined refer/s.

... ice conditions in the region. .. (lines 26-27)

Complete the following by indicating to whom or to what the word/s underlined refer/s.

...and nurse their young. .. (line 30)

Complete the following underlined by indicating to whom or to what the word/s underlined refer/s.

... 6 percent a decade over the study period. (lines 68-69)

Complete the following table by indicating to whom or to what the word/s underlined refer/s.

A key unanswered question, he added... (lines 72-73)

Complete the following table by indicating to whom or to what the word/s underlined refer/s.

There's only so much ice out there

(lines 87-88)

True/False - Justification

Studying ice covers in the North Atlantic has been in progress since the 19th century.

True/False - Justification

Female harp seals breed throughout the year.

True/False - Justification

Harp seals are known for their ability to cope with all types of climate.