Question

what is mixture of sand?​

Answer 1

Explanation:

As sand is solid, it does not dissolve in water, forming 2 different phases present in the mixture of sand and water. Hence, it is a heterogeneous mixture.

Answer 2

Answer:

In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air. In order to sustain plant life, the proper mix of air, water, minerals, and organic material is required. Humus, the organic material in soil, is composed of microorganisms (dead and alive) and decaying plants