I believe the answer for this question is hydrogenation.
Hydrogenation of fats involves conversion of liquid vegetables oils into solid fats for example the making of margarine. Changing the degree of saturation alters several important physical properties such as the melting range, among others.
Answer:
Topsoil, which lies closest to the surface of the land, contains essential nutrients for crops. It is this layer of soil that is endangered by wind and water erosion. Soil erosion decreases soil fertility, which can negatively affect crop yields. Once soil erosion occurs, it is more likely to happen again.
Mulching.
Planting a cover crop – such as winter rye in vegetable gardens. ...
Placing crushed stone, wood chips, and other similar materials in heavily used areas where vegetation is hard to establish and maintain.
Maintaining a healthy, perennial plant cover.
Explanation:
Answer:
Directional
Explanation:
In population genetics, for natural selection to occur there must be a variation that will favor the survival of an individual.
Directional selection is a form of natural selection that occurs in the extreme end when an environment condition such as food favors one phenotype over the other.
This will make the allele Frequencies to shift towards the direction of the superior phenotype.
Answer:
The group that receives the treatment in an experiment (here, the watered pot) is called the experimental group, while the group that does not receive the treatment (here, the dry pot) is called the control group. The control group provides a baseline that lets us see if the treatment has an effect.
Explanation:
The closed economy is a self sufficient economy. The countries following a closed economy system does not involve in the import and export of goods from other nations. In these countries, all the goods are produced in the country is consumed within the country itself.
Brazil is a country, which can be said as closed economy as Brazil imports a very item from other nations. A Complete close economy system is not present in any country yet.