1 Cow's milk does not have the vitamins babies need. 2  There is generally no need to give your breastfed baby water, juice or other foods in the first 6 months. 3  Breastfeeding should ideally continue for at least 12 months, and as long after that as both mother and baby want to keep on nursing.t a year old, formula-fed babies can switch to whole cow's milk. It is important to use whole milk, because children under two years old need fat for brain development. One-year-old breastfed babies will benefit from continuing to nurse, for as long as both mother and baby are happy with the arrangement.
Disadvantages of Radio Advertising. 1  Because radio listeners are spread over many stations, you may have to advertise simultaneously on several stations to reach your target audience. 2  Listeners cannot go back to your ads to go over important points. 3  Ads are an interruption in the entertainment.4  Radio is a background medium.isadvantages of Radio Advertising. 1  Because radio listeners are spread over many stations, you may have to advertise simultaneously on several stations to reach your target audience. 2  Listeners cannot go back to your ads to go over important points. 3  Ads are an interruption in the entertainment.
Copper is used a lot because it will also absorb magnetic energy as well as radio waves. Most thin amounts of non-conductive materials (paper, cotton, rubber) will not affect Rf waves, but the thicker the material, the more chance it has to actually absorb the radio wave energy (and therefore block it). One reason why mountains, tunnels and deep bridges play havoc on radio reception, especially AM radio.