question:
Chloroplasts and cyanobacteria contain the blue-green pigment chlorophyll a. Chlorophyll a (as well as its plant and green algal-specific cousin chlorophyll b)[a] absorbs light in the blue-violet and orange/red parts of the spectrum while reflecting and transmitting the green light that we see as the characteristic colour of these organisms.
What color is chlorophyll?

answer: yes

question:
Fifty-six percent of the homeless were born outside France, the largest number coming from Africa and Eastern Europe.
What was the population of the urban area of Paris in 2012 without a fixed residence?

answer: no

question:
Despite the relative ease of executive agreements, the President still often chooses to pursue the formal treaty process over an executive agreement in order to gain congressional support on matters that require the Congress to pass implementing legislation or appropriate funds, and those agreements that impose long-term, complex legal obligations on the United States.
The president of the United States might prefer the formal treaty process on matters that require Congress to do what?

answer: yes

question:
The Cathedral of Spoleto is also decorated on the upper facade with a huge mosaic portraying the Blessing Christ (signed by one Solsternus from 1207).
When was the latest addition to the facade at St Mark's Basilica in Venice?

answer:
no