General Science Questions

In humans all reproduction is sexual. It involves joining together haploid gamete cells from each parent with half the normal number of chromosomes to make a new cell containing both parents' genetic material. This is a diploid zygote. The cells from each parent that combine to form the zygote are called gametes.

Meiosis produces haploid gametes from a diploid parental cell.

Both State and Local governments are responsible for regulating noise pollution. Noise pollution refers to the high noise level that we can not bear.

Cartography is the science which deals with the study and practice of making maps.

Most stars are at main sequence point in their life cycles.

Lens is made up of Flint glass.

The nutrients that provide energy are carbohydrates, proteins and vitamins. The other three nutrients--vitamins, minerals, and water do not provide energy.

In 2006, pluto devoted to a draft planet.