Using a complete sentence, state what would mostly likely to happen to the production of oxygen by duckweed plants if the intensity and duration of exposure to light were increased

Since this is not my area of expertise, I searched Google under the key words "light exposure to duckweed" to get these possible sources:

https://www.google.com/search?client=safari&rls=en&q=light+exposure+to+duckweed&ie=UTF-8&oe=UTF-8

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

http://www.hackcollege.com/blog/2011/11/23/infographic-get-more-out-of-google.html

If the intensity and duration of exposure to light were increased, the production of oxygen by duckweed plants would mostly likely increase.

If the intensity and duration of exposure to light were increased, it is likely that the production of oxygen by duckweed plants would also increase.