Crumbly, bits of earth.
To describe a soil sample, one would typically analyze its texture, color, pH level, organic matter content, and nutrient composition. This information can help determine the suitability of the soil for various purposes such as gardening or farming.
With a precision balance.
The soil sample with smaller particles tends to hold water better than the soil sample with larger particles. This is because smaller particles have higher surface area and can retain more water due to capillary action. Therefore, the soil sample with larger particles would likely lose water more quickly.
Soil
No, a typical soil sample is not an example of a homogeneous mixture. Soil is composed of various components such as minerals, organic matter, water, and air that are not uniformly distributed throughout the sample, making it a heterogeneous mixture.
No, a typical soil sample is heterogeneous.
A sample of soil from a temperate deciduous forest would be less nutrient-rich than the soil from a tropical rain forest, because the moisture would continually break down mulch to support a bigger variety of organisms.Tropical rain forests naturally support more species than a deciduous forest too.
You can send the soil sample to a soil testing laboratory, agricultural extension service, or a professional soil testing facility. They will analyze the sample to provide information on the soil's composition, nutrient levels, pH, and other important factors that can help with plant growth and soil management.
If the soil sample has 30 million particles of soil and 60 of those particles are sand, then the number of soil particles that are sand is 60. Sand particles represent 0.000002% of the total particles in the soil sample.
Porosity is measured by taking a sample of the soil. The sample is then tested to measure the speed of water passing through the soil.
Very high speed is the best speed to separate a soil sample in a centrifuge.
To neutralise a sample of soil, you must determine the pH of the soil sample either acidic or alkaline. Add lime (e.g. Limestone) to acidic soil to neutralise it. And add sulphur to alkaline soil which will neutralise it.