Where are the most reactive nonmetal elements found on the periodic table? at the top of group 17 at the bottom of group 17 at the top of group 18 at the bottom of group 18

Long term exposure to waves can cause sunburns and skin cancer.

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?