Explanation The ozone layer is a thin part of the Earth's atmosphere that absorbs almost all of the sun's harmful ultraviolet light. Ozone is made of O3 . Explanation The Japan Aerospace Exploration Agency is the Japanese national aerospace and space agency. Explanation Genetics is a branch of biology concerned with the study of genes, genetic variation, and heredity in organisms.

Explanation The ozone layer is a thin part of the Earth's atmosphere that absorbs almost all of the sun's harmful ultraviolet light. Ozone is made of O3 .

Explanation The Japan Aerospace Exploration Agency is the Japanese national aerospace and space agency.