How do contaminants, such as mercury, lead, or pesticides affect an ecosystem?

Q: What are the similarities and differences between the benefits of coral reefs to ocean life, humans,…

A: Answer - The benefits of coral reefs to ocean life - Coral reefs provide a buffer, protecting our…

Q: events in thế universe. It compost for new plants. How are they related to our daily living? Why are…

A:

Q: what is a scum?

A: A chemical reaction beween soap and alkali results in the formation of soap. The chemical reaction…

Q: Write about lead and its effect on humans

A: Lead (Pb) is a heavy, soft, bluish metal, and occurs in nature in the formof ores. Once Pb is mined,…

Q: What are the entry routes of chemicals to human body and explain about personal protective…

A: A chemical can be defined as a substance which is either used or is produced in a given chemical…

Q: Aqua is usually the number one ingredient in most products. It has a more common, everyday name and…

A: Given, Aqua is one of the key ingredient in many products. What is its common and everyday name?…

Q: How much ppm will replace 200kg/ha of Ca++? * a.) 100 b.) 40 c.) 20 d.) 0.2

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Q: What's the purpose of an insecticide?

A:

Q: By using the rodent bioassay approach, can the concentrations of lead be safe for consumption by…

A: The long-term rodent bioassay (RCB) has been the gold-standard for the pre-marketing prediction of…

Q: Why does the phenomenon of pesticide resistance occur? |

A: When a pesticide is first used, a small proportion of the pest population may survive exposure to…

Q: Why chemicals  would be harmful to other organisms?

A: Every substance in the universe are made of one or more chemicals. Some chemicals are naturally…

Q: MULTIPLE CHOICE Question 18 Which scenario best describes the long-term health effect of air…

A: Here, we have to find the best scenario that describes the long-term health effect of air pollution…

Q: Define each of the followings: (1) environmental science, (2) Environmental Chemistry, (3)…

A: Definitions: (1). environmental science:

Q: how can you contribute and make a difference concerning climate change, pollution, and habitat…

A: a). Habitat destruction -  Habitat alludes to the zone where species appear food, get cover and…

Q: HOW TO MONITOR WASTE FOR WASTE CONTAINING ARSENIC OR ITS COMPOUND ?

A: Arsenic :  As (Arsenic) is a non-essential, nonmetallic carcinogenic element, occurs in many…

Q: Does the caterpillar do work in climbing the tree? Explain.

A: Potential energy E = mass x g x height

Q: How many people exposed to chemicals on a daily basis

A: we people are exposed to varity of chemical on daily basis from different sources. The chemicals can…

Q: How does chemical reactions play an important role in affecting our environment?

A: When one or more compounds react with each other to produce one or more new/different substances,…

Q: How do microorganisms such as bacteria eliminate harmful reactive oxygen species?

A:

Q: Choose one food and explains the chemistry behind food preparation such as how food particles change…

A: A question about general chemistry, which is to be accomplished.

Q: What are the three major threats to coral reefs?

A: The three major threats to coral reefs are stated below Global warming-climate change Increased…

Q: Why is a high fever dangerous? Why is a low body temperature dangerous?

A: Given: High fever and low body temperatures To find: Why is High fever dangerous and low body…

Q: Explain the principle behind the use of cold packs and hot packs. What chemicals are found in each…

A: These hot and cold packs are used by the athlete for reducing the injury to the muscles and joint…

Q: What three strategies that can be used to protect coral reefs from pollution?

A: Three strategies that can be used to protect coral reefs from pollution is -

Q: Explain: 1.Depredation caused by industrial and transportation toxins and plastic in the ground;the…

A: To explain: The depredation caused by industrial and transportation toxins and plastic in the…

Q: Choose which waste disposal container you should dispose of the unused 0.1 M FeCl3 solution. A acid…

A: Answer Which waste disposal container you should dispose of the an…

Q: how important is chemistry in solving ecological problems?

A: The major environmental problems are pollution, global warming, ozone layer depletion, acid rain,…

Q: 203,450,000g of water in a lake is contaminated with 326g of anthrax. How many ppm? A. 1.60 ppm B.…

A: PPM is Parts Per Million. 1 PPM is defined as the concentration of the solution, containing 1g of…

Q: How do contaminants transfer within an ecosystem or between ecosystems?

A: A substance that pollutes or contaminates a system is called a contaminant. It can be toxic or…

Q: Name 10 dissolved substances that negatively affect the environment

A: Dissolved salts may be present in high enough concentrations to be toxic. Eg: naturally occurring…

Q: is exposure to air is necessary for microbial growth? why?

A:

Q: Copper and lead is a potential contaminant of tap water Give 5 mitigation measures to reduce the…

A: A question based on environmental pollution that is to be accomplished.

Q: Describe problems encountered with chemical pesticides.

A: The problems encountered with chemical pesticides has to be given,

Q: Which two elements are largely responsible for fresh water eutrophication?

A: The eutrophication is a process in which there is a growth of plant life like algae due to the…

Q: PART 4- LABORATORY SAFETY QUESTION 1. In what situations should safety goggles be worm? 2 Why aren't…

A:

Q: What are pesticides?

A: Introduction and Explanation-  The chemicals that are used for eliminating the pests is known as…

Q: How do you explain the presence of contaminates in mountain water?

A: Contamination is the presence of a constituent, impurity, or some other undesirable element that…

Q: Archie was pouring a solution from a test tube into a beaker when his friend Guy surprised him from…

A: When laboratory glassware breaks, it can do a lot of harm. Injuries from broken glassware can range…

Q: What pesticides are commonly found found in UK agriculture? and how would you test for them?

A: Pesticides are chemicals that are used to kill pests. Pesticides include herbicides, insecticides,…

Q: What actions can be done to reduce an ecological footprint?

A: Answer is explained below.  Ecological footprint is a method of calculating the humans' dependence…

Q: what are the benefits of developing an environmental policy?

A:

Q: What are the chemical properties of Yellow Bell (Tecoma Stans) which helps to prevent the pests?…

A: Yello Bell(Tecoma Stans) is a species found in a flowering perennial shrub in the trumpet vine…

Q: Define biomagnification. Explain how the use of DDT has led to a population explosion of rats?

A: Biomagnification : Biomagnification expands as Biological Magnification, which is defined as an…

Q: Which of the following is NOT a reason why Globally Harmonized System (GHS) is necessary: A) Ease of…

A: A multiple choice question based on environmental chemistry that is to be accomplished.

Q: Discuss how can nanotechnology be used in the prevention and treatment of illness?

A: Nanotechnology=Physicist Richard Feynman is known as the father of nanotechnology. It is the…

Q: Summarize the techniques that are used for the detection of pesticides in plants, stating the types…

A: pesticides are mainly used for the growth of plants, crops, vegetables. The reason behind the use of…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.