Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

problem 1. Given that the density of a water sample is 1.023 g/cm3 at 25?C, what is its salinity?

problem 2. In what way does the presence of dissolved salts affect the density of seawater?

problem 3. Comment on the pros and cons of each of the three different methods of measuring salinity:
a) Chemical method:
b) Hydrometer:
c) Refractometer:
Which method do you prefer in measuring salinity in seawater? Please describe.

problem 4. Is there any alternative method of measuring dissolved oxygen in seawater?
Briefly describe the methodology and underlying principles. Attach additional sheets of paper if needed. Give the source of reference from which you obtain the information.

problem 5. How are the nutrients introduced to aquatic environment? What are the biological consequence of high nutrients input into aquatic ecosystem?

problem 6. How does BOD5 tell us the importance of water quality at a particular location? Why the temperature has to be constant (e.g. 20 °C) in darkness throughout the incubation period? How would you adjust the measurement if the BOD5 of your sample is too low or too high within 5 days?

Biology, Academics

  • Category:- Biology
  • Reference No.:- M943589

Have any Question? 


Related Questions in Biology

Color vision gave our primate ancestors great advantages if

Color vision gave our primate ancestors great advantages. If color vision is an advantage, discuss how the condition of color-blindness still exists in humans today.

Differentiate between ectoderm mesoderm and endoderm and

Differentiate between ectoderm, mesoderm and endoderm and list what tissues arise from each.

What does ph measure how do these measurements vary between

What does pH measure? How do these measurements vary between acids and bases? How do buffers work, in terms of pH? In terms of your body, are there varying levels of pH? If so, why is this?

Imagine you do a test cross between a purple-flowered pea

Imagine you do a test cross between a purple-flowered pea plant having serrated leaves (a dominant trait) and a white-flowered pea plant having smooth edges. If the purple-flowered plant is heterozygous for both traits, ...

What releases prothrombin which helps in clotting of

What releases prothrombin which helps in clotting of blood?

What is the state of the issue of genome engineering

What is the state of the issue of Genome engineering technology in Sweden? Are there laws governing the it? Is there a high level of controversy in Sweden over the ethical issues of Genome engineering technology? Why/why ...

A cell undergoing meiosis produces a daughter cell during

A cell undergoing meiosis produces a daughter cell, during which one nondisjunction event occurs. If the number of chromosomes in a normal diploid cell of this organism (not undergoing cell division) is 38, how many chro ...

Reproductive systemdefine primary sex organs secondary sex

Reproductive System Define primary sex organs, secondary sex organs, and secondary sex characteristics Describe the accessory glands and other secondary sex organs of the male/female, and state their functions Explain th ...

1 mediterranean climates like those in central california

1. Mediterranean Climates, like those in Central California, experience extremely hot and dry summers and relatively cool and moist winters. Relate the soil-water balance to the growth strategies of plants in this region ...

How when where and why might you apply your learning of

How, when, where and why might you apply your learning of bioethics in the future if you wanted to be a veterinarian?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen