due to just act as adj?

by **tankobe** Fri Dec 11, 2009 6:08 am

i have heard,or read in MGAMT SC book, that due to can just fuction as adj rather than adv. However, i encouter a question in GMAT prep software, due to ,not underlied,obviously act as adv. could you give me some advice when i seen this deadly due to?

Data gathered by weather satellites has been analyzed by scientists, reporting that the Earth's northern latitudes have become about ten percent greener since 1980, due to more vigorous plant growth associated with warmer temperatures and higher levels of atmospheric carbon dioxide.
source: preptest 1

another related question: i know owing to/because of can only function as adv, what about on account of? can we also write:
sth is on account of sth?