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masha68 [24]
2 years ago
9

choose one! What action destroys topsoil 1)mowing land 2)adding nutrients to soil 3)plowing land without replantation 4)sowing s

eeds in land
Biology
2 answers:
11Alexandr11 [23.1K]2 years ago
7 0

Answer:

2 is the answer.

Explanation:

Mandarinka [93]2 years ago
3 0

Answer: Its C not B

Explanation:

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A simple dialysis tubing setup is shown above. The left image shows the original experimental setup and the right image shows th
creativ13 [48]

Answer: B) The membrane is permeable to the solvent and dialysate, but not to the protein.  

Explanation:

3 0
2 years ago
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If the ease of oxygen pickup depends on oxygen concentration, would respiration be easier in air or in water?
irinina [24]

Answer:

Air

Explanation:

depending on the concentration of Oxygen in any of the  medium- air or water, Oxygen pick up will be easier in air than water. This is because the energy barrier for the exchange of gases is higher in a liquid medium than in a gaseous medium.

5 0
2 years ago
15
s344n2d4d5 [400]

OPTIONS:

a. When there are just two other people at the party.

b. When everyone is wearing a nametag.

c. When there are more than 50 people attending the same party.

d. When the need for help from the person who is having a heart attack is very clear

Answer:

c. When there are more than 50 people attending the same party.

Explanation:

Bystander effect is a term used in social psychology to describe the tendency of an individual to intervene in the event of an emergency to offer help to the person needing it, when others are present at the scene of the emergency.

In the case of an emergency just like the scenario stated in the question, where someone develops a heart attack at a dance party, if the party has more people, the slimmer the chance of the person getting help from any of the 50 people at the party, as the presence of others would tend to discourage the any individual from attempting to help the victim having the heart attack.

The situation that would more likely show the bystander intervention effect is <em>"c. When there are more than 50 people attending the same party."</em>

5 0
2 years ago
Lemmings are small mammals that reproduce quickly. A lemming population often grows so quickly that there is not enough food for
zaharov [31]

Malthus is the correct answer

I took the test

5 0
2 years ago
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Gel analysis of fragments in step 6 shows that even though the undigested DNA and DNA digested with HindIII are both 1000 bp, th
Soloha48 [4]

Answer:

Size of the band varied

Explanation:

In the given question, the options are not provided but based on the information provided in the question, it can be predicted.

When the DNA was digested by the HindIII, then the length of the digest came about 1000 bp and the undigested DNA was also found 1000 bp.

When both the bands were analysed by Gel electrophoresis then the bands do not run to the same distance therefore this shows that the size of both the bands was not equal and their size varied.

Thus, the size of the band varied is correct.

6 0
2 years ago
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