7. One of the techniques for absolute dating of wood using annual pairs of growth rings is called: Group of answer choices a. radiocarbon dating b. isotope analysis c. dendrochronology d. both a and b above

Q: The medical value of plants is due to chemicals found in a. leaves b. tree bark c. flwers d.…

A: Medicinal value of plants.

Q: 1. Construct a table comparing natural gas, coal, and oil according to (a) origin, (b) fuel value,…

A: Natural gas, Coal and Oil are fossil fuels. They are formed by natural processes like decomposition.…

Q: 8. Which conclusion is best supported by the information in the figure above? a. Volcanic eruptions…

A: Plants, insects, fungi, bacteria, and single-celled species that have been replaced by rock material…

Q: 1) Is bioenergy environmentally friendly and sustainable? Why? 2) Write about the Various types of…

A: Introduction Biogas production is a method that utilizes human, animal, and agricultural wastes for…

Q: 12. Which of the following soil textures would be the best for housing construction, or to support a…

A: Loam is a good soil for supporting a foundation, as long as no miscellaneous soils find their way…

Q: Illustrate the biosynthetic pathway of resin 2. Give 5 industrial uses of resins

A: Resins : Resins are the amorphous products on complex chemical nature. These are usually…

Q: 70.1- Graptolites colony increases by Select one : a , budding b.rubbing C. colonies d . connecting…

A: Graptolites or graptolithina is a subclass of pterobranchia. They are colonial animals and usually…

Q: 8. ... . is a light and porous soil that tends also to accumulate organic matter.

A: The soil texture is defined as the amount of sand, clay, and silt particles found in the soil. If…

Q: 1. What are the colony shape, margin and elevation of colony of These types of exposure A. Soil B.…

A: Introduction :- The study of the size, shape, and structure of animals, plants, and microbes, as…

Q: 3. The least destructive practice of harvesting wood products, which cuts down only a few of the…

A: option d is the correct answer.. Clear-cutting is a method of harvesting and regenerating trees in…

Q: 1. What is your question? fx B I x, x In your opinion, are plants in the tropical rainforests of…

A: Photoperiodism is the behavioural or functional response of plants to the variations in the day…

Q: Why does wood resting at the bottom of a bog resist decay?

A: In ecology, bogs are defined as the soft, spongy type of wetland with partial decay of plant…

Q: 1. Which of the following alternative energy sources (not using fossil fuels) does not depend on the…

A: 1.  The correct option is D i.e, Nuclear Power. Explaination- During nuclear fission and fusion,…

Q: Analyze each statement (A and B) whether they are true or false. Use the choices below in answering…

A: The vertical cross-section of the soil which is composed of various layers arranged parallel to the…

Q: Which of the following is NOT a spontaneous process?      B. Coffee freezing while you drink it on a…

A: A spontaneous process always has negative free energy change. The process or a chemical reaction…

Q: 9. How could an asteroid impact kill off so many different species? Select one response. O a. Debris…

A: A asteroid is a large piece of rocky particle that orbit around the sun.Sometimes it collides with a…

Q: How plastic is harmful for the soil. State scientific reason for it.

A: The environment that we live in consists of resources for the sustenance of all living organisms.…

Q: Artificial photosynthesis is being researched to provide: a)Plastic shrubbery b)Synthetic fuel…

A: Artificial photosynthesis is a chemical process which mimics the natural process of photosynthesis…

Q: Writer a review on the health effects of mould and air spores

A: Fungi are eukaryotic organisms, which are heterotrophs and have important roles in nutrient cycling…

Q: original materials are organisms preserved in materials such as

A: Body fossils  In the basis of body remains body fossils are categorised into two groups  1.…

Q: (6) a. When the humidity increases transpiration rate : a. Increases b. Decreases b. The reason for…

A: Transpiration is the loss of water in the form of vapour from the exposed parts of a plant. There…

Q: s the controversial method used to extract natural gas and oil from types of rock where it can't be…

A: Hydraulic fracturing or fracking is a method in which water, chemicals, or sands are injected into…

Q: 2. (a) Consider Scheme 1 shown below and identify the INGREDIENTS, PROCESSES or PRODUCTION STEPS…

A: Sparkling White Wine: - Sparkling wines are those that contain an excess of carbon dioxide. They are…

Q: 5. The most common heavy metal pollutant in the human body (in modern times) is: A. lead B. silver…

A: Heavy metals are naturally occurring substances in nature. Some heavy metals are beneficial for the…

Q: order. a. Seeds, Animal fat & Sawdust O b. Seeds, Animal fat & Sawdust O c. Animal fat, Sawdust &…

A: Biomass Resources, often known as biorenewable resources, relate to all types of organic materials,…

Q: Sampling methods, for tissue analysis depends on: Group of answer choices a. Root system b. Type…

A: Sampling method depends upon various factors.

Q: 14. Which is the best example of a point source pollution? A runoff from fields B. pesticides…

A: Point source pollution refers to any identifiable source of pollution through pipes, tunnels or…

Q: Which of the following has the least FATAL-toxic "wood alcohol" ingredient?  a. vodka b. wine c.…

A: Wood alcohol is also known as methanol, a type of polar solvent, which is produced mainly from the…

Q: 16. A plant with broad, flat leaves is BEST adapted for – A. conserving heat in a tundra B.…

A: Plants have different types of leaves. Leaves shape is influenced by environmental factors .

Q: 10. In dentistry ..isused: A. Activated charcoal. B. White oak bark. C. Sage leaves. D. Chamomiles…

A: Material used in dentistry.

Q: 7. Why data is collected from bottom to top in well logging. 8. What is insitu-combustion? 9. Expand…

A: 7).Well logging is defined as the process of keeping records of formations and any events that are…

Q: Based on temperature requirements which of the following is not correct?*   a. Coconut and mango are…

A: Different plants are adapted to different regions and temperature zones. Some plants require high…

Q: 1. Of all of the fuels used by the United States to generate energy by combustion, over the past 200…

A: Energy consumption will rise in tandem with global population growth and the expansion of economies.…

Q: Describe how the types of vegetation present on this farmland would change if a fire burned down all…

A: Ans : Acceptable responses include:  1.Grasses and weeds would become the most common plants once…

Q: 1. Define Agricultural and Biological materials? 2. Why do we need to study the properties of…

A: Biological tissues are viscoelastic materials; their conduct is both gooey (viscous), which means…

Q: 6) Which of the following is not a source of carbon in the biosphere? A) Ocean rocks and sediments.…

A:

Q: To determir measure a) the b) the c) the O d) th O e) e) th

A: The molecular mass of a protein gives a frame within which the structure of the protein must fit.…

Q: What makes the red maple enable to dominate the Mohn Hill Natural Area? What are its features to be…

A: Red Maple wooden is smooth and frequently deformed , which means simplest the quality designs may be…

Q: One of the techniques for absolute dating of wood using annual pairs of growth rings is called:…

A: The annual growth rings are formed on a single year consisting of spring and summer wood. The spring…

Q: Two groups of tomatoes were grown under laboratoryconditions, one with humus added to the soil and…

A: The plants are multicellular eukaryotes that belong to the Plantae kingdom. The plants are…

Q: 7. What have been the results of the Clean Air Act in terms of human and environmental health? Are…

A: The clean air act is a federal law of the USA with an objective to reduce air pollution at the…

Q: The most destruc practice harvesting wOod products, which cuts down all of the trees in a stand at…

A: The most destructive practice of harvesting wood products which cuts down all the treess ina stand…

Q: How the conservation of fuels contributes to health, well-being and sustainable development?

A: Sustainable development can be defined as the type of development in which the present generation's…

Q: . Which layer of soil is found above the bedrock and below the topsoil, is brightly colored (usually…

A: There are different types of soil basebd on their composition. There are different layers of soil…

Q: Pesticides vary in terms of their persistence in soils. Give three possible reasons for the…

A: Persistent pesticides are those that do not break up in the atmosphere but remain harmful to…

Q: 5. What can be a good combination between microbial andagricultural biotechnology? Develop microbes…

A: Microbial community plays an important role in agriculture, specially in soil fertility. Nitrogen…

Q: 44. Which of the following successional species would be able to grow the closest to a point source…

A: ANSWER- E All of the above will be equally able to grow close to a point of heavy metal pollutant.

Q: 7. Which of the following technologies are considered non-renewable energy sources? Choose ALL that…

A: Non -Renewable energy resources cannot be used again and again as it is limited which can be…

Environmental Microbiology

Environmental biology deals with the study of microorganisms and their interaction with their surroundings. This term itself covers the microbial interactions with water, soil, air, and microbial too.