Answer:
Independent: toothpaste brand
Dependent: amount of plaque left
Control: Water
Constants: amount of toothpaste, kind of toothbrush, how long the toothbrushing took.
Explanation:
Ferns are plants that do not bear flowers. They do not have any seeds as well. In this regard, their mode of reproduction is through spores. Gymnosperms on the other hand have seeds, although they are not put inside an ovary.
Invasions by others, the army which was weak because they became lazy about practicing and wearing their armour, and strains between the social classes all lead to the fall of Rome
homie u cant even see what it says it's too blurry
