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gayaneshka [121]
3 years ago
12

Explain in details the mechanism of transportation in plants​

Biology
1 answer:
ch4aika [34]3 years ago
6 0

Answer:

Explanation:

Plant transport systems move energy from leaves and raw materials from roots to all their parts. The xylem (tissue) moves water and minerals obtained from the soil to all other parts of the plants.

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Dengue fever is an infectious disease of humans that is caused by a virus. There are four main viral strains, and an individual
Yuri [45]

Answer:

12

Explanation:

Suppose the four different strains are P, Q, R, S. Thus, the first infection can be from any of the four strains and it occurs in 4 ways.

Since an individual cannot be infected again with the strain from which he/she is been previously infected;

Then, at the second time;

The possible number of strain to be infected with = 4-1 = 3 ways

Thus; the number of possible different levels of severity can be viewed by forming two lettered word  P, Q, R, and S without repetition which is:

= 4 × 3

 = 12

7 0
3 years ago
What Amendments reflect social change?
Stella [2.4K]

Answer:

13 th amendment because it abolished slavery

The 26th amendment because it let people 18 or older vote ( because people 18 or older went to vietnameses war so they protest)

1st amendment (freedom of speech etc)

Explanation:

3 0
3 years ago
In a high school laboratory, which of the following constitutes an experiment? I. learning to use a microscope by examining fixe
victus00 [196]

Answer:

The correct answer is - option III.

Explanation:

An experiment is scientific procedure to test a hypothesis and to demonstrate any scientific procedure to prove something. In high school laboratories there are experiments constitutes scientific methods that helps in demonstrate or prove or existence of something.

Extracting various pigments from the leaves of plants and identifying them by separating from it, is the best example of the high school laboratory experiment among all the options.

Thus, the correct answer is - option III.

7 0
3 years ago
1. Science is a body of knowledge that explains the
Digiron [165]

Answer:

Science is a body of knowledge that explain the process by which that knowledge is developed.

4 0
2 years ago
The change in the dominant, meaning more common, fur color from tan to brown is most likely due to ____.
Serggg [28]

Answer:

d

Explanation:

body size has nothing to do with color. increased number of hunters doesn't work because environment isn't mentioned (i.e. if it was a snow environment it wouldn't make sense). random mutations have to have environmental cause to prevail. so it is d.

7 0
2 years ago
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