Soil

2. which of the following likely has the largest particle size?
subsoil
humus
topsoil
parent material

parent material

Explanation:

Parent material is the term used to describe the particles that form the soil from its horizons. This is the smallest particle found in the soil and refers to the material that the soil inherited from the rock that generated it through the weathering process. Parent material is often associated with soil classification in terms of its mineral content and the level of chemical and physical weathering it has suffered.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

carbon atoms, hydrogen, oxygen, and nitrogen.