2) Investiga y escribe la composición química de las siguientes sustancias que se han utilizado para sanitizar tu casa. Apóyate de tu tabla periódica
SUSTANCIA
FORMULA QUÍMICA
CANTIDAD DE ÁTOMOS
Ejemplo: Agua
H20
2 átomos de hidrógeno
1 átomo de oxigeno
Cloro
Alcohol
Gel antibacterial
Vinagre
Jabón​

List two modern organisms that have pentameral symmetry

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.