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irina [24]
3 years ago
12

The negative effects of tilling include _____. A increased soil erosion B reduced soil drainage C reduced need for energy input

D improved crop production
Biology
1 answer:
Vikentia [17]3 years ago
8 0

Answer:

A

Explanation:

Tilling agitates the topsoil and removes ‘unnecessary’ vegetation so the main crop can grow without competition. Tilling improves soil aeration and drainage for plants to grow well.  Nonetheless, it can lead to other consequences such as soil erosion because it loosens the soil and makes it easy to be carried away by wind and water.

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In guinea pigs the allele for black fur (B) is dominant over the allele for brown fur (b), and the allele for short fur (F) is d
galben [10]

Answer:

100%

Explanation:

This question involves two genes in guinea pigs; one coding for fur color and the other for fur length. The alleles of black fur (B) and short fur (F) is dominant over the alleles for brown fur (b) and long fur (f).

In a cross between two offsprings with genotypes: BBFF x bbff, the following gametes will be produced by each parent:

BBFF - BF, BF, BF, and BF

bbff - bf, bf, bf, bf

Using these gametes in a punnet square (see attached image), one will notice that all of the offsprings will have the genotype: BbFf i.e all or 100% of the offsprings are heterozygous for both of the genes or traits.

5 0
2 years ago
What is a place where poor woman and men worked separately for food from a Christmas Carol?
VikaD [51]
In the story and according to Scrooge, the place were poor people work to get their food is the workhouse. It is also the place where Scrooge things poor people must spend their Christmas. Aside from this, he also said that the prison is also a place for poor people during Christmas.
8 0
3 years ago
The earth’s mantle is different from the outer core because the mantle is
77julia77 [94]

Answer:

Mantle is composed of rocks where as core is composed of metals.

Explanation:

Mantle and core both are part of the earth's crust.  Though there have a difference between them- The mantle is consists of semi solidified rocks and core is consists of hot metals like iron and nickel. Core is the inner most layer surrounding the earth's center. The portion of the interior beyond the crust is called mantle. The core is the densest layer of the earth with its density ranges from 9.5-14.5 g/cm^3 where the density of mantle varies between 2.9-3.3 g/cm^3.

3 0
2 years ago
It is commonly stated that 'plants produce oxygen during the day and carbon dioxide at night'. Explain fully the limits of this
svetoff [14.1K]

Answer:

Yes, the statement is correct. Plants respire throughout the day, while photosynthesis takes place only in the presence of sunlight. ... At night, when there is no photosynthesis, no oxygen is released. Also, CO2 produced during respiration is not used by the plants.

4 0
2 years ago
Despite their seemingly simple anatomy and radial symmetry, ________ are a type of deuterostome, and closely related to the chor
dolphi86 [110]

Despite their seemingly simple anatomy and radial symmetry Sea urchins and sea star are a type of deuterostome, closely related to the chordates.

What are the characteristics of deuterostome?

Animals classified as deuterostomes share a common embryonic development.

The first opening during development known as the blastopore changes to the anus in deuterostomes while the mouth changes in protostomes.

They have a coelom, which forms as a result of enterocele (coelom from the digestive tract).

These creatures include the following,

- Chordata,

- Echinodermata,

- Hemichordata.

Hence the correct answer is Deuterostome.

Learn more about Deuterostome,

brainly.com/question/12500582

# SPJ4

5 0
1 year ago
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