Every six years, the United Nations-sponsored Intergovernmental Panel on
Climate Change (IPCC) releases a massive and influential study
detailing the state of Earth's climate. Every citizen on the planet
should take the 20 minutes needed to read the Summary for Policy Makers (PDF File)
issued in February 2007. In their fourth report since 1990, the IPCC
offered its strongest language yet that Earth's climate is warming and
humans are largely responsible:
When an author selects specific words to create a certain tone or mood, this is known as diction. Diction is dependent on the choice of words.
Answer:
climate change and pollution
Explanation:
if you're referring to in general answers, climate change and pollution are two factors.
if you're referring to the poem specifically, i'm not sure, as it's not posted.
The first sentence is correct the coma is in the right place before the noun
The answer is, C. Declarative, Period. Hope this helps.