Answer: B
Explanation:
The independent variable is the experimenter so it changes and controls the dependent variable because it is assumed that the dependent variable gets a direcr effect from the independent variable.
Answer: certain type of fungi
Explanation:
Antibiotic used to cure bacterial infections that is obtained from fungi of the Penicillium genus .
Scientist Fleming discovered by accident that there was a fungus capable of killing some bacteria. In this way, he had some culture plates (small plates of glass or plastic in which the microorganisms can grow) that remainded forgotten and contaminated with mold, and around the growth zones of the fungus, he could see that there were no bacteria. Intrigued, he began to study that phenomenon.
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yes its (metallic) b/c Relating Metallic Bonds to Metallic Properties. Because electrons are delocalized around positively-charged nuclei, metallic bonding explains many properties of metals. Electrical Conductivity - Most metals are excellent electrical conductors because the electrons in the electron sea are free to move and carry charge.
B. It's the basis of social status within a tribe.
C. It combines natural, human, and spiritual forces.
D. It's composed of irrational superstitions that arise in underdeveloped rural communities.
B. bone.
C. blood.
D. fat tissu