5 to 6 months. Practices intonation by making her voice rise and fall, often in response to baby talk and your facial expressions. Red flag: If your child isn't making vocal sounds by the time she's 6 months old, talk with her doctor. 7 to 12 months. Babbles with greater diversity, making new sound combinations and intonations. Red flag: If your child isn't making vocal sounds by age 7 months, talk with his doctor.
Relative humidity is a measure of the amount of moisture in the air relative to the total amount of moisture the air can hold. For instance, if the relative humidity was 50%, then the air is only half saturated with moisture. Warmer air can hold more moisture than colder air. Why is relative humidity important?
Making the world better, one answer at a time. When temperature increases, the volume increases. Firstly, we have to know that volume is refering to the space that matter occupies. When temperature increases, the molecules move vigorously because it receives energy from the heat. There will be more collisions among the molecules that causes the molecules to move to more areas in a medium.