Natural science

AIR POLLUTION LEVEL ARE CURENTLY UNHEALTH FOR SENSITIVE GROUP  OR WORSE  !!!!!!!!!!!!! Air pollution is contamination of the indoor or outdoor environment by an chemical ,physical or biological agent. Air pollution  it is a risk for all -cause mortality as well as specific diseases. The specific diseases that can be caused by air pollution are as follow, lung cancer, stroke ,chronic obstructive, pneumonia and cataract. Three source of air pollution THE DIFFRNCE BETWEEN HUMAN -MADE  AND NATURAL AIR POLLUTION. Human-made (Anthropogenic) Air Pollution:  Caused by human activities such as burning of fossil fuels, industrial processes, agriculture etc. Examples include particulate matter (PM), nitrogen oxides (NOx), sulfur oxides (SOx), carbon monoxide (CO), volatile organic compounds (VOCs), and ozone (O3). Tends to be more localized and concentrated in urban/industrial areas. Considered the primary driver of worsening air quality in many parts of the world. Can be ...

  TEENAGER PREGNACE  This refer to when a women under the age of 20 gets pregnant. It usually refer to teens between the ages of 15 to 19. The ministry of education  has recognized  the need for further revision of Namibia's policy on teenager pregnancy ,to place greeter emphasis on positive step to prevent  learners pregnancy's  and to ensure that young parent have completed their education for the benefit of themselves. I am not supporting teenager pregnancy but as teacher or a school principal you don't have the right to expel pregnant girl from school. If you are denying a pregnant girl to access to education you are also limiting her future opportunities and potential. Ways on how to prevent teen pregnancy. Promote sexual education in school. Foe adolescent that are sexual active  they can use effective contraceptives'(such condoms ,birth control and many more. LET'S NOT ABANDONED TEEN PREGNACY BUT LET'S SUPPORT THEM!!  

Note that there is no currently cure  for HIV AND AIDS but treatments and prevention methods have significantly improved the outlook for people living with HIV. The difference between HIV and AIDS HIV (Human Immunodeficiency Virus) is a virus that attacks the body's immune system, specifically the CD4 cells (a type of T cell). While AIDS  stand for (Acquired Immunodeficiency Syndrome) is the most severe phase of HIV infection.  HIV is  transmitted through  HIV can be transmitted through unprotected sexual intercourse (vaginal, anal, or oral) with an infected partner. It can be also transmitted through sharing needles, syringes, or other equipment to inject drugs with someone who has HIV, Last but not least HIV can also be transmitted from mother to child during pregnancy, childbirth, or breastfeeding. This are not the only ways where by HIV can be transmitted ,there are many ways ,so just take care of yourself. HIV symptoms Flu-like symptoms like fever, sore thr...

    Ecosystem,  is a community of living organisms (plants, animals, and microorganisms) interacting with each other and their physical environment.  There are different ecosystem with different  importance, so we have desert ,marine and savannah ecosystem. They do have their own characteristic and they do differ to other ecosystem. There  also human activity that harm the environment such as deforestation, biodiversity, pollution and waste and ecosystem disruptor. Human benefit from the environment also by getting food, raw material such as fire wood and medicine resources ,as we all know that most of the medication are made out of plants.

  What is water cycle?  is the continuous movement of water on, above, and below the surface of the Earth. Three major process   evaporation  condensation   precipitation  transpiration.  The importance of water cycle ? Balancing earth's system Purification of Water Maintaining Ecosystems Supporting agriculture