Matter" refers to anything that has mass and occupies space. It is the substance of which all physical objects are composed. Matter can exist in vario

The solid state of matter is one of the four fundamental states of matter, alongside liquid, gas, and plasma. Solids have a definite shape and volume,

An atom is the basic unit of matter, consisting of a nucleus surrounded by one or more electrons. Atoms are the building blocks of all ordinary matter

Photometry is a branch of science that deals with the measurement of light, particularly its intensity, brightness, and color. It encompasses various

Brownian Motion: Observing the erratic movement of microscopic particles in suspension, later named Brownian motion. This phenomenon became a foundati

Penicillium fungi are a large genus of mold belonging to the kingdom Fungi . They are filamentous fungi, meaning they have thread-like structures call

Saprotrophic nutrition is a way of getting nutrients by decomposing dead organic matter. Organisms that use saprotrophic nutrition are called saprotro

Salivary glands are exocrine glands in the mouth that produce saliva (spit) and empty it into your mouth through ducts, or small openings. They lubric

Biodiversity refers to the amazing variety of life on Earth at all its levels, from genes to ecosystems. It encompasses all living things, from single