physical features ( social science)

The human beings are bisexual with two separate sexes - male and female. The individuals of the two sexes show distinctive features called the secondary sexual characteristic..

Afforestation is necessary to get sufficient rainfall for the conservation of soil, plants and animals of the area. In recent days, protection of wild life and management of forests is a difficult task. The conservation of forests includes the following methods: Afforestation - social a..

Characteristics of Particles of Matter - According to the dynamic particle model all states of matter are made up of tiny particles and matter as a result is an aggregation of very small particles. Nevertheless, the state of aggregation of particles is different in different substances. Some charac..

For a layman the term 'work' implies any activity resulting in muscular or mental exertion. In physics, however, the term has a different meaning. It represents a physical quanti..

The human beings are bisexual with two separate sexes - male and female. The individuals of the two sexes show distinctive features called the secondary sexual characteristics . Some of the male secondary sexual characteristics are facial hair, cracking of voice, etc. female secondary..

Question: Give four characteristics of a physical change. Answer: 1) A physical change is temporary and is usually reversible. 2) No new substances are formed during a physical change. 3) There is no change in mass of the substance during a physical..

Question: Give two common features of plants. Answer: They are stationary They trap the sun's energy to make food...

This law could be best applied, only up to the element calcium. Newly discovered elements could not fit into the octave structure. The feature of resemblance of the 8 th element when arranged in increasing order of their atomic mass was not successful with heavier elements..

Question: Define a physical change. Answer: A physical change is a temporary and reversible change in which the physical properties of the substance change without altering the composition of the substanc..

There are some physical principles and biological processes that explain the transport of materials across the plant body. They are as follow..