Does the sentence "The bel (B) and the smaller decibel (dB) are units of measurement of sound intensity invented by Bell Labs and named after him." provide a valid answer to the question "What unit is named after Bell?"

A: yes

Does the sentence "This can allow an insect to return unerringly to a single hole a few millimeters in diameter among thousands of apparently identical holes clustered together, after a trip of up to several kilometers' distance." provide a valid answer to the question "An insect recalling a specific location for up to a year is called what?"

A: no

Does the sentence "Spirochaetes of the genus Borrelia are a notable exception to this arrangement, with bacteria such as Borrelia burgdorferi, the cause of Lyme disease, containing a single linear chromosome." provide a valid answer to the question "What bacteria is responsible for Lyme disease?"

A: yes

Does the sentence "From 2002 to 2007, the number of unemployed increased by 65% (270,500 unemployed citizens in 2002, 448,600 unemployed citizens in 2007)." provide a valid answer to the question "Between 2002 and 2007, by what percentage did the rate of unemployment change?"

A:
yes