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dolphi86 [110]
3 years ago
6

Some sixth-grade students are conducting a local survey. They want to find out what activities increased CO2 emissions in their

community within the last year. Ricardo came up with these questions for the survey. Which questions are appropriate for the assignment?
Biology
2 answers:
sdas [7]3 years ago
7 0
How many trees were cut down during the year?
How many new factories opened last year?
How many factories in the community use fossil fuels?
hope this helps you
goldfiish [28.3K]3 years ago
5 0

How many trees were cut down during the year?

How many new factories opened last year?

How many factories in the community use fossil fuels?

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Michael observed dew in the early morning. The water vapor has transitioned in the form of dew. What is this process called?
vodomira [7]

Answer: Condensation

 Water vapor is water  in a gaseous state. Transformation of water into gaseous state (water vapor) is called evaporation. Transformation of the water vapor into dew which Michael observed in the early morning is called condensation.

Dew<span> is water droplets that appears on  exposed objects like leaves in the morning or evening due to condensation</span>

3 0
3 years ago
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Sickle cell anemia is produced by a genetic defect in the amino acid sequence of hemoglobin. Persons who are homozygous for this
JulijaS [17]

Answer:

The probability is 1/2

Explanation:

Heterozygous for sickle cell allele is AS

Homozygous allele is SS

AS SS

The offspring formed include

AS, AS, SS, SS

The probability of their children being carriers include

Number of AS/ Total number of offspring

= 2/4 =1/2 or 0.5

8 0
3 years ago
What would be an example of a density independent factor that affects a population?
VashaNatasha [74]
Disease is the answer
3 0
3 years ago
Chlorine in the stratosphere is believed to come primarily from cfcs rather than from natural sources such as volcanoes because:
Andreyy89

 he answer is because <span>samples of air taken over erupting volcanoes shows that volcanoes contribute a small amount of chlorine in the stratosphere compared to CFCs. Volcanic eruptions account for a large instability of chlorine from land to the atmosphere on a yearly basis. This is in addition to chlorine that enters the atmosphere from sea spray, industrial processes and biological gases which are from CFCs. All of these inputs happen near or at the base of the atmosphere. Very little of the material emitted from volcanoes makes it up into the upper reaches of our atmosphere which is the stratosphere where it could touch the ozone layer. However, most of it is believed to be deposited lower down which is in the troposphere, where it then rained out back to the surface of the earth.</span>

5 0
3 years ago
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Differentiation occurs when: the sperm and ovum meet. cells begin to specialize. the combined material from both gametes meshes
musickatia [10]

Answer:

The correct answer is option - cells begin to specialize.

Explanation:

Embryonic differentiation is a process in which the cell begins to divide and to be destined to make a specific cell line different from another cell. Each differentiated cell has fate to perform a specific function in later development in the body.

The embryonic cell differentiation takes place when the cell begins to specialize which is occurs after the cleavage of a zygote which triggers the differentiation process.

Thus, the correct answer is option - cells begin to specialize.

3 0
3 years ago
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