The hypothesis statement is "She says that hand sanitizers have alcohol as their main component."
Answer:
Tartar.
Explanation:
Dental plaque may be defined as the development of mass or biofilm of bacteria that grows on teeth surface. This plaque may present on teeth, between the teeth and on teeth front.
The plaque is first colorless but when it changes to dental calculus or tartar, the color of plaque becomes yellow or pale brown. This causes dental problem and different dental disease.
Thus, the answer is plaque.
Answer:
B. Scientific theories are a culmination of many pieces of evidence.
Explanation:
Darwin’s observations of Galápagos finches support the theory of evolution. Molecular homology of genes, such as Hox genes, provides another type of support for how species evolve.
In science, this simply implies that scientific theories are a culmination of many pieces of evidence.
Answer: it’s A
Explanation:
Because uni means one and that means unicellular is only made of one cell
