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nignag [31]
2 years ago
7

Which of the following are negative impacts on land resources caused by human activity? Check all that apply.

Biology
1 answer:
Anastaziya [24]2 years ago
7 0

Answer: B) erosion increase due to road construction, C) Chemicals used in mining entering the soil. D) Desertification caused by deforestation

Explanation:

You can tell the negative impacts by human impact by picking the ones that humans are involved in. Hope this helped :)

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A viral species is a group of viruses that
Liono4ka [1.6K]

Answer:

Answer C

Explanation:

has the same genetic information and ecological niche.

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2 years ago
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In a population of tree frogs, the allele that causes yellow eyes (Y) is dominant over the allele that causes orange eyes (y). I
Alex787 [66]

Allele that causes yellow eyes (Y) is dominant over the allele that causes orange eyes (y)

Y = 85% = 0.85 and

y = 100% - 85% = 15% = 0.15

f(y) = square root of y = √y = √0.15 = 0.387

frequency of the allele that causes orange eyes = 0.387

Once we know the value of y, Y + y = 1

Putting the value of y, we get

Y = 1 – 0.387

<span>Frequency of the dominant allele that causes yellow eyes = 0.61</span>

4 0
2 years ago
¿Cómo es posible que se hayan encontrado antiguos sedimentos glaciares en zonas como la India situada junto al ecuador?
Lana71 [14]

Answer:

Si los continentes no se han movido, entonces esto sugeriría una capa de hielo que se extendía desde el polo sur hasta el ecuador en este momento, lo cual es poco probable ya que el Reino Unido en ese momento también estaba cerca del ecuador y tiene extensos depósitos de carbón y piedra caliza. Si los continentes del hemisferio sur se vuelven a ensamblar cerca del polo sur, entonces la capa de hielo Permo-Carbonífero asume un tamaño mucho más razonable. Más evidencia proviene de las estrías glaciales, arañazos en el lecho rocoso hechos por bloques de roca incrustados en el hielo como el glaciar se mueve. Estos muestran la dirección del glaciar y sugieren que el hielo fluyó desde un solo punto central.

7 0
2 years ago
Platinum (Pt) is in the 78th position in the periodic table. A neutral atom of the element that comes just before platinum in th
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The ansseer is Iridium.

The atomic number of iridium is 77 and it comes just before platinum (atomic number = 78).

In iridium,

The number of electrons = no. Of protons = 77.
The no. Of electrons and the no. Of protons is same as atomic number.
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2 years ago
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In this lab, the three flocks of birds changed in numbers between generation 1 and generation 3. Why? Check all reasons. The amo
anyanavicka [17]

Working in a lab means working under controlled environment. If in the generation 1 and generation 3, the number of bird’s increases or decreases in number, the possible conditions for this would

- The amount of food increased or decreased

- If a flock’s beak type made it easier to pick up the available food, the flock grows and vice versa

Justification: if the beak type for generation 1 makes the food intake easier, it will grow which ultimately decreases the food for the generation 3 which has un-supportive beak type.


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