Answer:
i'm not sure what the question is. If it is to correct the grammar given, then it would be Mario and Judith <u>a</u><u>r</u><u>e</u><u> </u>studying for <u>a</u><u>n</u><u> </u>upcoming science exam.
Measles,lung cancer,and air pollution
A static character.
Hope this helps!
A. Individual productivity is necessary for group productivity.
NOT:
<span>B. Waste isn't a problem in reaching group goals.C. Sacrifice isn't necessary to achieve group goals.
D. Individual productivity is more important than group productivity</span><span>
</span>