DDT

question 9

Multiple Choice

DDT

• A) Has proven to have no effect on insects
• B) Was the cause of major declines in many sea bird species
• C) Affects insects but has no effect on marine crustaceans
• D) Decomposes very rapidly in the environment to a harmless residue

---

Definitions:

Prediction

The act of making an educated guess about a future event or outcome based on current data or observations.

Gender-Balanced Group

A group composed of individuals in such a way that there is an equal or nearly equal number of members of different genders.

Theory

A system of ideas intended to explain something, based on general principles independent of the thing to be explained.

Topic

The subject or theme that is being discussed, written about, or studied.