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svetlana [45]
3 years ago
13

Which of the following is false?

Biology
1 answer:
Varvara68 [4.7K]3 years ago
8 0

Answer:

Option A, Fertilizers can maintain soil fertility and productivity into the distant future-even if the soil is eroding.

Explanation:

The top layer of the soil known as top soil is essential for its productivity because it contains essential nutrients such as phosphorus and potassium.  

If this topsoil is lost, the inherent soil fertility is also lost. In order to restore the soil fertility, additional inputs in the form of fertilizers and manures are used.

Fertilizers help in restoring soil fertility but only if the essential subsoil material are present. In short it can be said that continuous soil erosion for a longer period of time will result into infertile land parcels whose fertility cannot be restored by fertilizers.  

Hence, option A is correct

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Traits of virus that classify
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Answer :Four characteristics were to be used for the classification of all viruses:

Nature of the nucleic acid in the virion.

Symmetry of the protein shell.

 Presence or absence of a lipid membrane.

 Dimensions of the virion and capsid.

Explanation:

5 0
3 years ago
Cacti in the deserts of southwestern North America and some euphorbs of the deserts of Africa, have barrel-shaped stems, short-l
nirvana33 [79]

Answer:

       The right answer to this question is option D. Convergent evolution.

Explanation:

       Convergent evolution is a process defined by when an organism develops the same, or at least near that, characteristics, for a specific reason, but they don't have the same origin. In this case, the cacti in both deserts have pretty much the same characteristics, and this happens because both these plants need water to survive, and in order to save it, they have barrel-shaped stems, short-lived leaves, and spines. All of these things help them in saving the water and capturing it when it's possible.

        The convergent evolution is when both these organisms develop equally, but are not originally from the same place, the environment being the one to shape this.

3 0
3 years ago
Four factors that may lead to an increase of learners abusing substance in schools​
scZoUnD [109]

Answer:

4 reasons here:

Explanation:

1) Adventure; boredom causes them to look for excitement, even if it's detrimental to their health.

2) Peer pressure;research shows that risk-taking among teens doubles when peers are around.

3) media;easy to guess, shows a lot of risky behaviour in glamorous or admirable ways.

4) Poor self-esteem; bullying can lead to poor self-esteem and higher chance of the victim becoming depressed and taking substance to cope with the depression, also leads to err, self-death

5 0
3 years ago
Suppose the Moon rotated on its axis just as quickly as Earth. Would we still always see the same side of the Moon from Earth? E
Snezhnost [94]

Answer:

Yes

Explanation:

Yes we would because the moon is spinning just as fast as earth, so we would see the same side.

8 0
3 years ago
Please help me with 9 & 10 I need to pass this test
lana66690 [7]

Answer:

9 th qn answer us 4th option(D)

and 10 th qn answer is 3rd option (C)

3 0
3 years ago
Read 2 more answers
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