Soil is a mixture of _______. a. solids b. solids, liquids, and gases c. solids and liquids d. solids and gases

Biology

2 answers:

cupoosta [38]4 years ago

6 0

Option B, solids, liquids, and gases, is the right answer.

The soil is a three-element arrangement composed of solid (rocks crystals and hummus), liquid ( air and water) and gas (nitrogen and oxygen). In addition to abiotic factors soil also contains living organisms such as bacteria and protozoa. In the context of Biology, the soil has a significant value, as it is believed that soil is basis of basic ecosystem function

Travka [436]4 years ago

3 0

Hey mate!You stuck?

Soil is a mixture of C, solids and liquids. Solids consist of the dirt and decaying minerals in the soil, and liquids are depicted as the water.

Hope this helps! :)

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In a 1h nmr spectrum, the signal for a vinyl proton is generally more downfield than an alkyl proton because _____.

tamaranim1 [39]

In an 1H NMR spectrum, the signal for vinyl proton is generally more downfield than an alkyl proton because the additional magnetic field created by the π electrons causes the nearby protons to resonate at a higher frequency.

<h3>What is meant by NMR? </h3>

NMR stands for nuclear magnetic resonance. In this technique, various molecules are studied by studying the interactions of their nucleus with electromagnetic radiations and then recording their radiofrequency.

The nuclei in this case are placed in a strong magnetic field.

This effect was discovered by Zeeman. It is used to study the magnetic properties of nuclei of certain atoms so that they can be appropriately utilized.

Therefore, In a 1H NMR spectrum, the vinyl proton signal is more downfield than an alkyl proton because the additional magnetic field created by the π electrons causes the nearby protons to resonate at a higher frequency.