The electromagnetic spectrum is made up of seven types of waves, they are: radio, microwave, infra red, visible lights, ultraviolet, X ray and gamma ray. The electromagnetic waves have both electric and magnetic properties and they can travel through vacuum. The waves have different properties and diverse uses.
The part of the electromagnetic spectrum that can penetrate all human skin and soft tissues is X RAY. X ray have short wavelength and it can penetrate soft tissues such as skin and muscles. Because of this property, it is typically used in the health care system to take X ray pictures of bones; the pictures help the health care providers in their diagnosis.
The amount of sunlight hitting an area near the equator would be more direct and hotter in temperature, rather than hitting the poles. Since the sun hits the most direct at the equator, the poles will not get as much sunlight because they are much farther away from the equator.
Answer:
<u>Options-(C):</u> They are ineffective against the tuberculosis bacteria.
Explanation:
- <u>Some of the characteristics of the detergents are as follows;</u>
- They can be used to reduce microbial concentrations.
- They are polar molecules that act as surfactants.
- The most effective ones are positively charged. in low concentrations they are bacterio-static.
- They are active in the presence of organic matter.
A virus is a microscopic parasite that infects cells in biological organisms, they reproduce only by invading and controlling other cells as they lack the cellular machinery for self reproduction. Additionally, viruses contain at least one unique protein synthesized by specific genes in the nucleic acid, the proteins forms a shell called capsid around the nuclei acid.