Which statement about controlled experiments is true?
a. in a controlled experiment, all variables must be kept the same.
b. controlled experiments cannot be conducted on living things.
c. a controlled experiment only tests one variable at a time.
d. scientists always utilize controlled experiments.

2. which of the following topics would be too broad for a speech lasting 5 to 10 minutes?

Ineed ideas for this essay something easy that i can do does anyone have any ideas on what i should write on for this 100 points ! write a procedural essay with media that is 1 ½–2 pages in length. clearly state your topic, and include all steps necessary to complete the procedure. you will submit your prewriting and planning documents along with your essay.

How might stacey feel when t. j. comes to the logan house in the middle of the night? describe a connection that you answer the question.