You depend on this energy every hour of every day. Without it, the world you know could not exist. Electromagnetic energy travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays. The human eye can only detect only a small portion of this spectrum called visible light.A radio detects a different portion of the spectrum, and an x-ray machine uses yet another portion.ou depend on this energy every hour of every day. Without it, the world you know could not exist. Electromagnetic energy travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays. The human eye can only detect only a small portion of this spectrum called visible light.
When to Introduce Water and Food. The best time to introduce water and puppy food is around 3 to 4 weeks of age. This is the time to start to slowly wean the puppy from her motherâs milk and care so she can become more independent.Be patient and take your time with this.hen to Introduce Water and Food. The best time to introduce water and puppy food is around 3 to 4 weeks of age. This is the time to start to slowly wean the puppy from her motherâs milk and care so she can become more independent.
Feeding your Puppy. Puppies should get solid food starting at about four weeks, when they're not able to get all the calories they need from their mother's milk. Most puppies are weaned by six weeks. Puppies younger than eight weeks, you may need to moisten dry food until it feels spongy.