Questions

OS-2 operating systems is produced by IBM. It also created it's own version of DOS called PC-DOS.

The earth receives energy from the Sun in the form of radiation . The Earth reflects about 30% of the incoming solar radiation. In polar areas, solar radiation strikes earth at a low angle. The more acute the angle at which the sunlight strikes, the more atmosphere that sunlight must pass through.

Forms taken up by plants: Mg++ Functions in plants: a part of the chlorophyll molecule -essential in photosynthesis: related to phosphorus metabolism: large quantities found in seed.Mg deficiency symptoms: Mg is mobile, so symptoms occur first in old leaves; A whitish or yellowish striping effect on grasses.

Chlamydial infection is very common in both males and females.

NGU (Non-Gonococcal Urethritis) is an infection of the urethra caused by pathogens (germs) other than gonorrhea.

Several types of germs cause NGU. The most common and serious is chlamydia.

Intrapulmonary pressure is the pressure within the alveoli of the lungs.