Enviornmental Science Ilab 1 Essay

The use of too much fertilizers, and in particular, of fertilizers with high concentrations of nitrogen, has been linked to reduced biodiversity (Xiankai et al. 2010). It becomes necessary to consider the detrimental effects of high concentrations of fertilizer in the reduced spaces. Fertilizers are salts, and therefore high concentrations of fertilizers can deplete the plant from water.

An important part of photosynthesis is the intake of carbon; thus, it can be presumed that increasing the amount of available carbon will increase photosynthetic activity. In most plants there is an increased rate of photosynthetic rate, but it is limited by other factors and reaches a plateau (Lei H, Zhishan Z.

*Nitrogen is circulated in a biogeochemical cycle and is a necessary element in the structure of living things.

Like all other elements, nitrogen is very important in life but in moderation. We sometimes cause an overload

Soil stores, moderates the release of, and cycles nutrients and other elements, an example may be the element; carbon. Living organisms are then able to repeatedly use these nutrients or elements.

Eutrophication, a term that derives from two greek words, eu, meaning “good,” and trophic, meaning nutrition or nourishment, is the enrichment of water bodies with nutrients like nitrogen and phosphorous that stimulate plant growth. Nitrogen is often found in rocks, soils, organisms, and the atmosphere; phosphorous resides mostly in rocks/soils and organisms. Having nitrogen and phosphorus in the ecosystem isn 't necessarily a bad thing, in fact, it 's required. Nitrogen is needed for the production of proteins and amnio acids, while phosphorous is required for the synthesis of DNA and RNA, and is involved in energy transfers. (Danver & Burch, 2011) However, too much of a good thing, can be a bad thing.

Over Fertilization occurs when more nutrients are added to the soil than the growing plants can utilize unused nutrients are then carried away by irrigation or rain water. Several factors can result in over fertilization. For example, it is difficult to determine precise nutrient content in some organic fertilizers, like manure. As a result, actual nutrient levels may exceed estimated content, and over fertilization occurs. Also, gardeners may incorrectly diagnose poor plant growth as a nutrient deficiency and apply fertilizer as a corrective amendment. In fact, the true problem could be unhealthy roots, poor soil conditions or other improper care. To prevent overfertilization, have soil tested regularly to determine accurate nutrient levels and only apply fertilizer as

Does Bleach Eliminate Bacteria? Abstract There are many methods used to destroy bacteria and this experiment tests the affects of Clorox bleach on bacteria. It will outline the methods used to determine if bleach could, or should be, used to decrease the amount of bacteria and whether or not this particular method is effective. The experiment will also test whether the levels of phosphorus and phosphatase in the soil are affected.

Phosphorous can often times be introduced into water bodies from sediment loads that emerge from erosion. Nitrogen on the other hand, can be introduced to water bodies through plants. During wildfires, the tissue from plants release nitrogen that can leach as nitrate and be transported into bodies of water (Paige and Zygmunt 2012). Furthermore, nitrogen inputs may also stem from the fire retardants used to put out the fire. Several of the fire retardants contain ammonia, nitrogen, and phosphorus (Paige and Zygmunt 2012). If there is an excessive amount of these nutrients present in water bodies, eutrophication may occur and in turn affect dissolved oxygen concentration levels. Low dissolved oxygen levels can then stress the aquatic

There are others, like myself, who feel that online learning is better. The supporters of this back their claim by stating that online classes can be more beneficial for teachers and students. For example, fewer distractions in a classroom like other students disrupting class. Students can come into class late after the teacher has already started class and cause a disruption or talk during the class. With online classes the student can control their environment. Also, a teacher can provide in writing just the basic information a student needs for an assignment. This way there is less of a chance for the student to get confused on the assignment when the topic

Students are required to learn massive amounts of course material. It is mandatory to learn at the instructor’s pace. Online courses give flexibility while scheduling to learn this material. Students are overwhelmed with homework throughout the duration of each class. Some have up to four classes of homework due weekly. It can be difficult for many to absorb all the material while scheduling work and home life. Trying to arrange the balance of each can be tiring for the body and mind. When taking online classes, there is an advantage to have the capability to learn the subject when the brain and body are ready to handle it. This flexibility can give the benefit of the full focus on schoolwork. On-campus classes give the benefit of help on the spot when needed, but students that take a

One of the most important plant fertilizers is nitrogen. Because fertilizer gets incorporated into the agricultural products we eat, an estimated 40% of the essential nitrogen in every human’s body now

The positive of online classes is being able to access the class in any free time. Most online classes though, require work to be turned in on certain days and times. Which makes it harder for students to remember when assignments need to be done. The pleasure of the instructor reading/lecturing the textbook material out loud won’t be there. It

People can take online courses these days. It is a chance for most people to get online courses on their own place. Students have the capacity to look over many diverse programs that would help them with their needs. Nowadays, most of the programs are available online from each department like business, management, and information technology. Additionally, students can browse different sorts of degree. The online courses have lower costs since they do not buy textbooks; they can downloads all assignments and all different materials that are required for their classes. Another benefit of these online classes is saving time since students do not have to attend classes, so they might have more time to do their assignments and study. Online classes evacuate the anxiety by permitting learners to study when it is helpful for most learners would like to study at different time. Likewise, students at schools have to take their exams and quizzes on the day their instructor planned for , but

Time for a face to face class is very difficult if a person works 40 hours a week but an online course can put an ease on the time restriction because the person does the work at their own pace and time. It is also easier to sign up for an online class than a class at a college. Message boards are in use if the students need to leave a question or a comment about the subject their on. They also save time by not traveling to the college and trying to find a parking space.