Answer:
B. Guilt
Explanation:
The sound of the heart beating symbolized the guilt of the narrator. He had just killed the old man and the officers were in the house searching. Although things went well, he imagined the sound of the heart of the old man beating under the floorboards and it grew louder and louder as the officers were chatting with him. The narrator eventually succumbed to the loud beat and confessed his crime because he could no longer take the guilt building up inside of him.
Answer: Plasma membrane is flexible because it regulate gases and water from inside and outside the cell and it have to perform endocytosis and exocytosisin in which large particle of food and water get inside the cell and come out from the cell.
Answer:
Is used to prevent contamination from pathogens.
Explanation:
Pathogens are disease causing organisms. In a clinical setting or even in the laboratory, a person has to use the strictest means of disease prevention and even re-infection (for patients). Aseptic technique is important to protect yourself, other workers and patients from infection and from the spread of pathogens. It effectively maximizes the presence of pathogens and totally eliminate them. This is possible from simple measures like using your PPE which must all be sterile. From your gloves, gowns etc to your equipments used during any procedure. Also disinfection of your work place is important too either by concurrent disinfection or intermittent disinfection.
Answer:
Problem question: Which tomato variety will taste better in making salsa?
Independent variable; Variety of tomato
Dependent variable: Taste of the salsa
Explanation:
The aim of every experiment is to solve a problem or answer a scientific question about an observed problem. The first step in the scientific method is to ask a question. In this experiment in which Martha is trying to check which variety of tomato is best for making her salsa taste great, the problem question is: Which tomato variety will taste better in making salsa?
- Independent variable is the variable in an experiment that is changed or manipulated. In this experiment, the independent variable is the VARIETY OF THE TOMATO.
- Dependent variable is the variable that is measured in an experiment or in other words, the dependent variable responds to changes to the independent variable. In this case, the dependent variable is the TASTE OF THE SALSA.
