1 The sun's rays are strongest during the hours of 10 a.m. to 4 p.m. The sun's rays are also stronger at higher altitudes and lower latitudes (closer to the tropics). Reflection off water, sand, or snow can make the sun's burning rays stronger.  Sun lamps can cause severe sunburn.
Division Marchantiophyta&#151Liverworts, genus Marchantia. : The thallus of the haploid gametophyte (n) grows flat on moist ground, and it is many-cells thick. Pores to permit gas exchange are in the top surface, and there are air spaces within the top zone of the thallus. Water is absorbed throughout the surface.
meranti. any of several species of Shorea, the most important timber genus in tropical Asia, of the family Dipterocarpaceae. Meranti is an important emergent tree of the tropical forests of Asia.The wood is light to medium weight, and widely used for light construction and more importantly for veneers.eranti. any of several species of Shorea, the most important timber genus in tropical Asia, of the family Dipterocarpaceae. Meranti is an important emergent tree of the tropical forests of Asia.