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Nikolay [14]
3 years ago
9

What are two negative effects on the carbon cycle of burning coal? explain your answer in terms of resources and climate change.

Biology
1 answer:
eduard3 years ago
4 0

Air pollution and limited fresh air

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2. If a nucleus has 8 chromosomes, how many chromosomes will be present after Telophase I? 3. What advantage does crossing-over
Brums [2.3K]

Answer:

Telophase I: 8 chromosomes composed of two sister chromatids  

Crossing over refers to the mechanism of recombination, this process being characterized in that increases the genetic variation

Spermatogenesis refers to the mechanism of formation of male gametes (sperms), while oogenesis is the process of formation of female gametes (oocytes)

Explanation:

Telophase I is the final step in meiosis I. During telophase I, the nuclear membrane is formed around the decondensed set of chromosomes and the nucleoli reappear.  

Spermatogenesis refers to the process by which haploid male germ cells (sperms) are generated within the seminiferous tubules in the testis, while oogenesis refers to the process of differentiation of the female egg cells (ova or oocytes) in the ovaries. Spermatogenesis is known to produce small and motile spermatic cells, while oogenesis is known to produce bigger non-motile oocytes.

4 0
3 years ago
Take a hypothetical bowl and add some water and some cooking oil and let the mixture settle. As you know, the mixture will separ
bazaltina [42]

Answer:

Phospholipid is the molecules that are amphipathic in nature means the molecule has both hydrophobic as well as hydrophilic regions. The phospholipids are the important constituent of the plasma membrane.

The water and oil gets separate when mix together. If the phospholipid is mixed with the oil and water solution than the oil part is mixed with the hydrophobic part and water will mix with the hydrophilic parts. They can form micelles together.

7 0
3 years ago
1.) You decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You decide to try to get r
coldgirl [10]

Answer:

The correct answer is :

Independent Variable:  side of the shower with lemon juice

Dependent Variable:  cleanliness of shower

Control:  spray of water

Conclusion: lemonade juice have no effect on slime

Explanation:

Independent variable in any experiment is the variable that is changed or manipulated as here side of the shower that is sprayed with lemonade juice is manipulated to see if there is any effect on the cleanliness of shower.

Dependent variable is the variable that is observed or measured to check if manipulated variable or independent variable have any effect on it, like the cleanliness is measured to check if lemonade juice clean the slime of the side or not.

The control is something that remains the same to check the condition or effect that is not changed or can be compared to it. Water spray is control in this case.

The conclusion of this experiment is that there is no effect of lemonade juice on the cleanliness of slime present in the shower

6 0
3 years ago
The superscript of element Cl⁻ indicates it is a        A. positive ion.   B. neutral atom.   C. negative isotope.   D. negative
LekaFEV [45]
The superscript of element Cl⁻ indicates it is a negative ion.
6 0
3 years ago
Read 2 more answers
In the following experiment, what is the independent variable? Dr. Honeydew would like to test the effect of chlorine on Beaker'
Contact [7]

Answer: Chlorine

Explanation:

An independent variable can be define as changable variable, which can be used to determine it's impact over the other variable(s) in the experiment. Dependent variable cannot be changed manually instead changes occur in the independent variable is because of impact of independent variable.

In this experiment, chlorine is the independent variable. The effect of which can be observed on the hair color, which is a dependent variable.

6 0
4 years ago
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