You've been considering what part of the United States to settle in after you complete your degree. You just learned about radon-222. Which of these areas you are considering would expose you to the highest concentration?

Q: What forms of mercury are most toxic to organisms?

A: Mercury is a toxic element present naturally and it is an introduced contaminant in the environment.…

Q: Define briefly the term radioactivity.

A: Radioactive atoms contain energy that pours out spontaneously as energetic subatomic particles or…

Q: Why egg whites and milks are used as antidotes for heavy metal poisoning?

A: Heavy metal poisoning is a process in which an organism is exposed to excessive amount of heavy…

Q: After recent renovations to an office building, employees in the building begin complaining of…

A: The sick building syndrome is used to describe a situation in which the building occupants…

Q: UV radiation forms and de-forms ozone naturally. a. true b. false

A: Ozone is a gas found in the atmosphere consisting of three oxygen atoms. It is layer in the earth's…

Q: Please answer the following question in at least 2 paragraphs. Explain why you agree or disagree…

A: Any chemical at a certain dose is harmful i.e., any chemical can be toxic if the someone is exposed…

Q: µc of a radioactive material 100 injected in a patient. If its physical half life time is 4 days and…

A: Introduction  half-life, in radioactivity, the interval of time required for one-half of the atomic…

Q: What terms do we use in toxicology to describe interactions between compounds?

A: Terms we use to describe              *interaction between compounds in toxicology There are four…

Q: Why do you think mercury is particularly toxic to pregnant women, nursing mother’s and their babies,…

A: Mercury (Hg) is a naturally occurring element in the environment, which is also released by human…

Q: One reason given by Peruvian officials for not chlorinating their water supply is that chlorine can…

A: Chlorination of water is one of the widely accepted methods used worldwide to eliminate the possible…

Q: The following is an image of: H2N ОН ОН

A: The chemical structure presented above contains three components that are the Nitrogenous base which…

Q: According to the EPA, what are the three most dangerous indoor air pollutants? Tobacco smoke,…

A: Poisonous, or hazardous, air pollutants cause or are associated with causing cancer, birth defects,…

Q: Why is it recommended to have a carbon monoxide detector on each floor of a home?

A: Similar to how a smoke detector will sound an alarm when smoke is discovered, these carbon monoxide…

Q: This highly unstable agent can react strongly with DNA and proteins.  a. ethylene oxide  b.…

A: Deoxyribonucleic acid (DNA) is the hereditary material in humans and almost all other organisms,…

Q: Choose the combination of answers that most accurately completes the statement.Which of the…

A: Microbial growth is harmful as its presence causes several diseases in humans. Sterilants,…

Q: Which of the following is not used as an antiseptic?   A. Chlorhexidine B. Phenol C. Iodophor…

A: Antiseptics are the molecules or substances which has the ability to slow down or stop the growth of…

Q: Why is carbon monoxide (CO) so dangerous?

A: Carbon monoxide is a colourless, odourless, tasteless, poisonous gas. It is a flammable gas. It is…

Q: Show the Effects of Radiation on Life and Nuclear Medicine

A: Radioactivity is part of the earth and occurs naturally. Specifically, ionizing radiation means…

Q: Match the items given in column A and B: Column A Column B (a) Catalytic converter (i) Particulate…

A: Pollution caused by various human activities is a major concern. Pollution has adverse effects on…

Q: Which of these substances are considered hazardous waste? A. Corrosive materials B. Flammable…

A: Introduction Hazardous waste is defined as waste that comprises organic or inorganic components or…

Q: Do you think rules and guidelines on laboratory safety and chemical handling are designed to hinder…

A: Laboratory handling and chemical handling is important for saving our life. Laboratory handling…

Q: What is decomposition – Describe the different processes involved in decomposition?

A: The decomposers and transformers are the living components of the ecosystem. Example of decomposer…

Q: Explain about Radioactive

A: Elements contain atoms that all have a similar number of protons in their atomic nuclei. The…

Q: 11 12 14 15 16 17 20 Please select the word from the list that best fits the definition Building…

A: Introduction :- AIR POLLUTION  The main sources of AIR POLLUTION are :- Answer :- cars, buses,…

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: Electrostatic precipitators or wet scrubbers can be used to reduce pollution. O particulate matter…

A: Pollution caused by industrial activities and combustion is of great concern Various abatement…

Q: What are the toxic responses of microwave radiation?

A: According to the question, we will discuss the toxic responses of microwave responses. So, let us…

Q: Explain why cadmium and mercury are toxic to most organisms.

A: Heavy metal refers to any element in the periodic table that is metallic in nature having relatively…

Q: Explain why you agree or disagree with each of the following statements: a. We should not worry much…

A: The toxicity of a substance is its ability to cause harmful effects. These effects can strike a…

Q: Question 3. Find out the mechanism of action of cyanide poison

A: Compound or substances that can cause death, injury to tissues, cells, organs, and DNA by a…

Q: Match the items given in column A and B:Column A                                 Column B(a)…

A: Pollution is the introduction of harmful materials in sufficient concentration levels into the…

Q: Why does PET use different isotopes than that of nuclear medicine exams with gamma cameras? What…

A: Nuclear medicine is a branch of medicine that deals with the use of radioactive substances in…

Q: A group of patients entered the hospital unconscious. All patients are employees of a chemical…

A: Cyanide is a highly poisonous substance that can be found in many industrial settings. When inhaled,…

Q: What types of radiation would you expect to have the highest biological effectiveness factor?

A: Radiation is that the emission or transmission of energy within the kind of waves or particles…

Q: a 139 ng sample of radioactive material has a half life of 4.2 days how many ng of radioactive…

A: GIVEN: The initial mass of radioactive material = 139 ng Half-life =4.2 days Number of half lives= 3…

Q: Sweet gas Flue gas Chemicals Oxidizer vessel Absorber Sour gas Air Sulfur filter Circulating Air…

A: The given image is the process of gas sweetening to remove the contaminants so that the gas is…

Q: What are the toxic responses of the heavy metal, nickel?

A: Heavy metal poisoning is when heavy metals accumulate in the body in high amounts that can be toxic.…

Q: Even though scientists have demonstrated success in using genetically modified bacteria to detect…

A: The extensive use of landmines creates a significant humanitarian concern and obstructs large-scale…

Q: lonizing radiation can cause an increase in cancer and genetic disease. An example of lonizing…

A: Answer: X ray X ray is an example for ionizing radiation that can cause mutations.

Q: “People living in the urban areas of Bangladesh are at high risk of heavy metal poisoning”- explain.

A: Lead, mercury, arsenic, and cadmium are the heavy metals most often linked to human toxicity.…

Q: Define the following terms: a. radiationless decay b. P700 c. P680 d. c = λv e. UV

A: Introduction: Photosystems are the large complexes of proteins and pigments optimized to harvest…

Q: Give some bad effect of radiations on human beings.

A: Radiations refer to a type of energy that travels as a wave or particle. Ionizing radiation is a…

Q: What type of nuclear reaction does a CAT scan use? a. Gamma Emission b. Electron Capture c. Beta…

A: CAT scan is also known as CT (computer tomography) scan is the process of viewing the cross-section…

Q: If a hospital were storing radioisotopes, what is the minimum containment needed to protect…

A: A matter is made of fundamental material called an element. A chemical element comprises only one…

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.