Answer:
Halogens correspond to elements in the periodic table located in group VIIA: fluorine, chlorine, bromine, iodine, astatine and tenese
Explanation:
As characteristics: they have valence -1, they form diatomic compounds among themselves, they have high ionization energies, they have high electronic affinity, they are toxic and scarce in nature.
Answer:
There is consistency of the current study's findings with that found in previous research studies.
The ring of fire is a ring of volcanos around the Pacific Ocean that result from subduction of oceanic plates beneath lighters continental plates. most of the earths volcanos are located around the Pacific ring of fire because that the location of most of the earth's subduction zones
Genetic engineering is the method used to turn of genes that cause defects.