Answer:
Independent: electronics in room
Dependent: hours of sleep
Control: school nights, night routine, lighting of room, the time the person decides to go to bed
Confounding: the person(?? not entirely sure on this one)
Answer: no
Explanation water and carbon dioxide are produced as wastes. the cells in both plants and animals perform respiration.... during photosynthesis , a palnt uses light, water and carbon dioxide to make its own food. oxygen is given off during photosynthesis as a waste product
Answer:
The main difference between dyadic and group communication is that dyadic communications take place between two people, but group communications take place between three or more people. ... Both dyadic communication and group communication involve a comparatively small number of people
Explanation:
I used the search engine.