PLEASE HELP ME FAST A student conducted an experiment to test whether talking to plants would help them to grow faster. He set up the following two groups:

Group 1: spoken to and hand watered
Group 2: not spoken to and watered with sprinklers

After three weeks, the plants in Group 1 showed much more growth than those in Group 2. Based on the results of this expe ment, which is the best conclusion?

O They are valid because the student ran a controlled experiment.
O They are not valid because the student did not control all the variables that can affect plant growth.
O They are valid because the dependent variable caused a change in the independent variable.
O They are not valid because the time frame to grow a plant is too short.

Judy blume's career as an american writer spans four decades and includes many literary awards. she is most famous for her novels geared toward pre-teens. one notable example is tales of a fourth-grade nothing. however, blume also has had success writing for an adult audience. three of her novels for adults reached the new york times best-seller list. in a 2008 interview blume remarked, "i have so many stories left to tell! " by that time she had written nearly 30 novels. judy blume is an exceptionally talented and productive american author. which of the following statements supports the main idea in this paragraph? blume only publishes books that she expects will win awards. blume prefers to write novels for adults rather than pre-teens. blume has had an extremely and uncommonly long writing career. blume is a gifted writer who can write for children as well as adults.