Identify as many materials as you can in the dust. If you cannot identify a particular material, take a guess at what it might be.

Q: relative humidity

A: Answer: Measuring instruments are the instruments which are used to measure or control the physical…

Q: The process that most accounts for magnification is a. a condenser c. illumination b. refraction of…

A: Magnification means the image produced is more than the size of the object.

Q: Which of the following is a type of coal? (Choose all that apply)   lignite   magnetite…

A: Coal is a sedimentary rock that is black or brownish-black in color and can be burned for fuel or…

Q: electrophoresis and explain which suspect is not incriminated or guilty in the picture.

A: Gene electrophoresis is a technique which helps to arrange the DNA probe in increasing order

Q: write a note about the importantce of knowing how to use a microscope and knowing how to use oil…

A: Microscopes are utilized in survey the examples that are generally tiny in size, they are utilized…

Q: Which minerals did you find have the highest hardness measurement?

A: Mineral is a natural substance found in the ground formed by geological processes. It includes coal,…

Q: A student is presented with a sample of an unknown substanceand asked to classify the substance as…

A: A molecule is consisting of two or more atoms bound together by chemical bond. All living organism…

Q: (а) (b) (c) 200 nm 200 nm 200 nm

A: BSE: Backscattered electron imaging mode, image production of sample is formed by the electrons that…

Q: : Define the following: 1. Organic adhesives 4. Riser 2. Organic felt 5. Rail and stile door 3.…

A: Any substance containing carbon-based molecules, especially those produced by or derived from living…

Q: Why oil gets hot faster than the water?

A: Lipids are macromolecules that help in the structure and function of the living body. They are not…

Q: Test the formation of translucent spots of the following oils on a paper and explain the results…

A: Coconut oil and olive oil translucent paper spots: Coconut oil is lipid in nature, whereas, olive…

Q: Are all drugs of interest to a forensic scientist illegal?

A: Forensic Science: It is a branch of science that involves the use of scientific methods and tools to…

Q: 1.Procedure for celloidin embedding ? 2.Procedure for vacuum embedding?  3.Procedure for epoxy…

A: 1.Procedure for celloidin embedding Celloidin is utilized in arrangement, generally in a 1:1…

Q: Research and discuss the production of radioisotopes. (You may discuss the production method and/or…

A: A radionuclide (radioisotope) is a nuclide with too much nuclear energy for it to be stable. This…

Q: In the produce department of supermarkets, vegetables and fruits (cucumbers are an example) have…

A: Introduction: Lipids are not polymers like other biomolecules like proteins and carbohydrates. It…

Q: Crisco is made from vegetable oils, which are usually liquid. Why is Crisco a solid? Hint: Read the…

A: Lipids are the major class of biomolecules that contains hydrocarbons which makes them insoluble…

Q: When collecting soiled laundry from a resident's room you should?

A: Laundry collection comes under infection control.

Q: Please select the word from the list that best fits the definition odorless radioactive gas produced…

A: Uranium has atomic number 92. It is a hard, dense, malleable metal.

Q: Define the term pure pigment.

A: A material that changes the color of transmitted light due to absorption of selective wavelength is…

Q: What force was responsible for the movement of substances through the filter paper?

A: Filter paper is made up of cellulose and thus functions as permeable membrane and movement of…

Q: tenry filled two jars with the same volume of water as shown in the picture. He placed a lid on J…

A: The experiments are conducted to understand biological and scientific phenomena that take place…

Q: In a closet, the office stores drug samples from drug company representatives. What would be the…

A: Various drug samples are received from many drug companies representatives.All these drugs are…

Q: In which type of chromatography, solvents of increasing polarity are passed through a column of…

A: Chromatography is the most important technique for isolating and purifying biomolecules. It is a…

Q: A. Match the following tests to the element or characteristics it identifies. Oxygen and Halogen…

A: There are various chemical tests to check the presence of certain compounds or substances. A…

Q: Which of the following is NOT an optical microscope? a. dark-field c. atomic force b. confocal d.…

A: Microscopes that use light are known as optical microscopes.

Q: In this activity, you will try to classify the given materials based on their characteristics. You…

A: The given items are : 1 peso coin, 20 peso bill, ballpen, bond paper, candle, cardboard, metal…

Q: Why is it important to use radioisotopes in medicine?

A: Health is referring to a condition of complete physical, mental and social well being. Health is an…

Q: - AFM can exam samples under magnification power

A: This question is based on AFM ( Atomic force microscopy)

Q: Modern analytical techniques have become so sensitivethat the forensic examiner must be aware of the…

A: Forensic biology is the use of biology to link a person (suspect or victim) to a site or materials…

Q: A ____ is a substance that is dissolved in a liquid.

A: Mixture is a material which is formed by mixing two or substances. If something is dissolved in the…

Q: acts as a pH indicator that was used to track moving substances by way of color change. ninhydrin…

A: A pH indicator is basically a chemical compound that is added in small quantities to the solution so…

Q: How can you tell that the dark wet spot on the paper towel is fat and not water?

A: The properties of water and lipid are different.

Q: How can you easily find specimens at higher magnifications after you found them at the lower…

A: Microscopes are commonly used in microbiology to provide a magnified image of the materials. Light…

Q: Given the figure below explain the effect of surfactants in terms of dirt removal on the solid…

A: A Surfactant molecule acts as a mediator between dissimilar boundaries, insoluble dirt, and water.…

Q: How can you tell what type of molecule something is by it is spelling?

A: Atoms bond together to form molecules. Prefixes and suffixes are used to tell the type of molecules.

Q: Explain the image.

A: Polynucleotides are polymer of nucleotides which are formed by the condensation of nucleotides. The…

Q: Find the connection among the words below and choose the letter of the word which is different. O A.…

A: Electrophoresis is run to separate the DNA, RNA, and protein molecules on the basis of their…

Q: Briefly answer the question below: What is the disadvantage of having a really thick smear when…

A: Smear:- It is used to fix the bacteria onto the slide and to prevent the sample from being lost…

Q: what solvent was used in making the slime

A: In the winter of 1976, most people credit the Mattel Toy Company as the originator of slime when it…

Q: a. The scale of a spectrophotometer extends from 1 to 100% T, what are the values of these two…

A: Beer- Lambert Law:  It is also known as Beer's Law. It states that the intensity of a monochromatic…

Q: list sevral branches of science that might be involved in cleaning up an oil spill.

A: There are several techniques for cleaning up oil spills. These include using oil booms, usage of…

Q: what happens when a dishwashing liquid mixed in water

A: Dishwashing liquids are those liquids that are used to clean the dishes like crockery etc in the…

Q: Statement explaining why plastics can accumulate in the ocean over time for kids like use simple…

A: The accumulation of plastics on beaches and in oceans has become a crisis. Billion pounds of plastic…

Q: What type of microscope would be best for studying the structures found inside of cells? a confocal…

A: Introduction  Cell is the basic unit of life which perform all kind of physiological and metabolic…

Q: Make a conclusion and recommendations about the compound microscope in achieving magnification and…

A: Compound microscope It's a compound lens system-based high magnification microscope. The objective…

Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.