environmental science secondary school

The energy source that we actually choose depends on various factors like the cost, the ease with which it is available, the efficiency of the technology available and the environmental damage that will be caused by using that sourc..

The energy source that we actually choose depends on various factors like the cost, the ease with which it is available, the efficiency of the technology available and the environmental damage that will be caused by using that source. It is thus debatable as to whether any source of ener..

Secondary axis is any other radial line passing through the centre of curvature other than the principal axis. ..

Exploiting any energy source disturbs the environmental balance and must be harnessed judiciall..

Health is considered to be the state of perfect functioning of body and mind, unhindered by diseases. Disease is the malfunctioning of the organism or a part of it due to infection, inherent weakness or environmental stress that upsets the normal physiological functioning of the organi..

Question: Name any four environmental problems faced by today's world. Answer: Four environmental problems being faced by today's world are: 1) Population explosion 2) Pollution 3) Global warming 4) Soil erosi..

Gonads are the reproductive organs. The male gonads are the testes and the female gonads are the ovaries. Both produce hormones under the influence of hormones of the pituitary (see under pituitary gland). Testes produce testosterone which produces the secondary sexual characteristics li..

Human Reproductive System - 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, cracki..

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 and en..