PART B: Which TWO details from the text best support the answer to Part A?
A.
B.
C.
D.
E.
F.
"It's the most important part of the planet, because it covers everything,' says Lorna
Dawson. She's a soil scientist at the James Hutton Institute in Aberdeen, Scotland."
(Paragraph 2)
"Human activities in recent decades have been spewing excess carbon dioxide and
other greenhouse gases into the atmosphere." (Paragraph 6)
"This can make it hard to figure out which types of bacteria are present. Some of them
also have proven hard to grow in the lab." (Paragraph 10)
"Alas, such clues weren't always reliable. One person's description of a shade of brown,
for instance, could vary from someone else's." (Paragraph 18)
"She recalls one 2014 case where the soil she analyzed from the bottom of a suspect's
boot helped to convict one of Scotland's most notorious serial killers." (Paragraph 21)
"Hoffman says the charcoal lines and radiocarbon dating are evidence that Canada's
earliest native peoples used fire to shape the landscape for thousands of years."
(Paragraph 29)