Answer: Manipulation of the Independent Variable
Again, to manipulate an independent variable means to change its level systematically so that different groups of participants are exposed to different levels of that variable, or the same group of participants is exposed to different levels at different times.
Explanation: hopes this helps and if u need any more help just let me know and i will help u.
Answer:
Tissues
Explanation:
tissues, a group of similar cells arranged in a characteristic pattern. endocrine glands.
Hello there!
I don't know why it was wrong because i felt that answer was correct too but you should try option B.
Hope This Helps You!
Good Luck :)
