Answer:
A.
Explanation:
This phenomenon best illustrates why intelligence tests need to be revised for predictive validity. The tests are taken initially and show high scores, then they are taken again and show even higher scores. This shows that the individuals are getting smarter. If the test continues to be taken without revision then the same results will continue since the individuals will continue to become smarter but the test will continue being the same. Therefore, becoming much easier for the participants every time. This ultimately leads to better and better scores.
I believe the answer is B!
Answer:
The roots help plants in anchoring them to the soil. They also serve as transport systems, allowing the plant to suck up water and dissolved minerals from the soil that it needs to grow. Some plants can store food in roots in the form of carbohydrates (sugars and starches).