Jawapan

2016-03-08T15:18:07+08:00
Light is a stimulus that plants respond to. This is called phototropism(photo= light). Plants usually display a positive phototropic response to light, which means they grow toward a light source. Plant hormones called auxins play a part in phototropism. Auxin is a plant growth hormone
2016-03-08T18:03:35+08:00
Akar menunjukkn geotropisme positif kerna akar tumbuh kearah tarikn graviti...
cam aneh je soalan kamu tuh,
eh silap2, maafh