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Aliun [14]
3 years ago
5

What are the main sources of greenhouse gas emissions on Earth?​

Biology
1 answer:
kirza4 [7]3 years ago
4 0

Answer:

Globally, the primary sources of greenhouse gas emissions are electricity and heat (31%), agriculture (11%), transportation (15%), forestry (6%) and manufacturing (12%). Energy production of all types accounts for 72 percent of all emissions.

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g If a colony of bacteria starts with 1 bacterium and doubles in number every 20 ​minutes, how many bacteria will the colony con
Lynna [10]

Answer: 2.81 x 10∧14 baterias after 16 hours.

Explanation:

Hi, first we have to find how many 20 minute intervals are in 16 hours.

If 1 hour = 60 min, 16hours = 960 minutes (16 h x 60 min / 1 h)

If we divide the 960 minutes (16 hours) by 20 minutes we obtain 48. (960/48)

There are 48 twenty minutes intervals in 16 hours.

Now we have to apply the exponential growth formula:

P (t) = Po (1 +r) ∧t

Where:  

P (t) = population at time t  

P (0) = initial population (1)

r = growth rate (1)

t = time (48)

Replacing with the values given:

P (t) = 1 (1 + 1) ∧48= 2.81 x 10∧14

2.81 x 10∧14 baterias after 16 hours.

7 0
2 years ago
In the scientific method, questioning does which of the following?
zysi [14]

Answer:

defines the problem to be explored

8 0
2 years ago
What would be made in DNA replication using the following DNA strand – ACT GGA
Sergio039 [100]
The answer would be B.
8 0
3 years ago
Who is studying animals in the wild considered to be somewhat experimentally out of control
KIM [24]

Studying animals in the wild is considered somewhat experimentally out of control because of several reasons.  

<u>Explanation:</u>

Study of wild animals can be done using several methods but none will be as effective as studying captivated animals. Using stationary cameras is a method to observe animals in the wild. The stationary nature of the camera makes it necessary for the animals to appear within the field of the camera.

This is difficult in places of low animal density. In addition to that placing camera at a longer distance to watch a larger area decreases the resolution of the images. When it comes to shallow water systems, the field imagery used to track the aquatic species frequently gets affected by issues like sun flicker.  

Unmanned aerial vehicles can also be used to track and study animals in the wild. This is good alternative but filming through dense canopies or turbid water is a limitation. Bio loggers can also be used for animal tracking but it is limited by weight since it has to be carried by animals.  

5 0
3 years ago
During gene expression, the dna-to-rna step is known as , while the rna-to-protein step is known as _____.
zlopas [31]

During the process of gene expression, the DNA to RNA step is known as transcription while the RNA to protein step is known as translation.

Gene expression is a process which involves the synthesis of a functional gene product by using the information present in the genes.

Transcription is a process which involves the synthesis of a RNA from the DNA. In eukaryotic cells, the transcription occurs in the nucleus whereas in prokaryotes the transcription occurs in the cytoplasm of the cell.

Translation is the process by which the RNA is converted into a protein. The translation in prokaryotic cells occurs in the cytosol of the cell whereas in eukaryotic cells, the translation occurs in the ribosomes.

To learn more about transcription here

brainly.com/question/8926797

#SPJ4

4 0
2 years ago
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