1.What does a wider tree ring indicate, as opposed to a thinner tree ring?(1 point)

The three hematopoietic cell lines lead to the formation of red blood cells, white blood cells and platelets. All these cells play important roles in various body functions.

Pancytopenia is a condition in which the quantity of red blood cells, white blood cells and platelets decrease in the body of a person. Chemotherapy and radiation are serious procedures that along with killing the cancerous cells also destroy many of the normal cells of the body. Hence, chemotherapy and radiation leads to decrease in all the three hematopoietic cell lines of the body causing a condition referred to as Pancytopenia.

To learn more about pancytopenia, click here:

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4 0

2 years ago

Which term describes the release of eggs from the ovary?

Step2247 [10]

Ovulation is the process in which eggs are released from the ovary.

6 0

3 years ago

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How are scientific processes important in solving problems? Give an example and EXPLAIN how these processes make solving this ex

xeze [42]

Scientific process

A step by step procedure of solving a problem is known as scientific process.

Explanation

To solve a problem following steps should be followed: Identification of problem through observation, Development of hypothesis, Experimentation to test hypothesis, Analyze the result of experiment, Conclusion to choose the best possible solution.

Example

1. Identification of problem through observation

Development of agriculture industry lead to soil pollution in the form of heavy metals which cause serious pose to human health. Data collected from environmental department show that heavy is adding day by day in the form of sewage drained from industries in to water, which has also affected aquatic life.

2. Development of hypothesis

Many strategies have been developed for cleaning or removal of heavy metals from soil such as cultivation of heavy metal tolerant plants, installation of plants which filter sewage water before entering into water table, use of bacteria that clean soil from heavy metals.

3. Experimentation to test hypothesis

To test hypothesis and experiment will be set up based on above mentioned method. However main focus should be given on cost, time and environmental friendly approach. To grow heavy metal accumulator plants will cost less but time consuming and after harvesting if their biomass is disposed off, it will again add heavy metals to soil. It is cost effective but time wasting process. Installation of plant to filter sewage is better method but it is cost effective and filter should be changed after a month which cost too much. The use of heavy metal tolerant bacteria is not too costly and once when they enter to soil having heavy metals will absorb heavy metals and will convert them into less toxic form. These bacteria will also reproduce and produce more offspring which will help in cleaning of soil

4. Analyzing result

It was observed in the results that use of plant of clean heavy metal is time wasting process. Similarly, installation of plant is also cost effective, however the use of bacteria for remediation of heavy metal is less costly and not harmful for environment.

5. Conclusion

It was concluded from results that bacteria should be applied for bio remediation purposes.

3 0

3 years ago