Auxins are plant hormones. The most important auxin produced by plants is indole-3-acetic acid (IAA). 1  development of the embryo. 2  leaf formation. 3  phototropism. 4  gravitropism. 5  apical dominance. 6  fruit development. 7  abscission.8  root initiation and development.he most important auxin produced by plants is indole-3-acetic acid (IAA). 1  development of the embryo. 2  leaf formation. 3  phototropism. 4  gravitropism. 5  apical dominance. 6  fruit development. 7  abscission. 8  root initiation and development.
Best Answer: A toner cleans up your face thoroughly, by removing any dirt, dead skin-cells, or other mess you might have on your face. Using it as a cleanser is much more gentle on the skin than using face-soap. It also tightens & helps firm your skin, giving it a healthy look.
What is a bass shaker? Some sounds are too low to hear: instead, we humans feel the sounds through our body. Have you ever been at a rock concert and felt the deep, low sound through your body? The low boom, boom, boom bass sounds send an awesome vibration through your very bones. A bass shaker is designed to bring that effect into your home theater. You pop a bass shaker under your chair, and it turns low sounds into vibrations you can feel. For example, there's a great movie called U-571 (below). If you watch this movie with bass shakers under your chair, you are in for a treat.