Question

Physical change in matter give reason for the following please ans all​

Answer 1

1. A physical change in matter is a change in one or more of matter's physical properties. In a physical change, matter may change its size, shape, or state, but its chemical properties do not change.
2. Camouflage, also called cryptic coloration, is a defense mechanism or tactic that organisms use to disguise their appearance, usually to blend in with their surroundings. Organisms use camouflage to mask their location, identity, and movement. 5 - 12+ Biology, Ecology, Geography.
3. Migration is the movement of people from one place to another with the intent to settle. Causes: In preindustrial societies, environmental factors, such as the need for resources due to overpopulation, were often the cause of migration.
4. Humans are the main cause of water pollution, which is triggered in many ways: by the dumping of industrial waste; due to temperature rise, that cause the alteration of water by reducing the oxygen in its composition; Or due to deforestation, which causes sediments and bacteria to appear under the soil