<span> Light waves are a wave in the electromagnetic field, this field may exist in a vacuum. Sound needs either solid, liquid, or gas to propagate and therefore it is called a mechanical wave. Sound is a form of energy which is transferred by vibrating air molecules if motions of propagation is air.</span>
Berdasarkan sejarahnya, tarian ini lahir dan berkembang di wilayah internal Kesultanan Serdang Bedagai, Deli Sedang, Sumatera Utara. Sebelum menggunakan nama “semudah dua belas”, tarian ini pada awalnya bernama tarian Pulau Sari hasil kreasi orang Melayu asli bernama Sauti pada tahun 1940-an.
The best example is C. Heat flows from a hot liquid to a pot handle.
Grasslands are areas where the vegetation is dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur naturally on all continents except Antarctica and are found in most ecoregions of the Earth. Furthermore, grasslands are one of the largest biomes on earth and dominate the landscape worldwide.[1] They cover 31-43% of the Earth's land area. There are different types of grasslands: natural grasslands, semi-natural grasslands, and agricultural grasslands.[1]
Answer:
Dna is a molecule. It carries hereditary information. It is located in the chromosomes.