Answer:
posotive
Explanation:
electrons give off negative pulse so take one away
Answer:
B. False is the rite answer
Answer:
Please please please mark me brainlest!
Explanation:
IV: salt solution
DV: Hight of plants
Control: the fourth plant
Independent Variable: what it's watered with (regular water or salt water as well as the concentration of salt water)
Dependent Variable: Height
Control: the type of plant (sunflower) Hope this helps you! Ask me anything if you have any quistions!