Some data suggest that the average global
temperature will increase by 1°c–2°c by the
year 2050. if this occurs, a major concern for
humans would most likely be that
(1) sea levels might rise enough to flood some
coastal areas
(2) long-term stability of the climate will benefit
ecosystems
(3) the availability of salt water for agricultural
use will increase
(4) the threat of extinction of land organisms will
decrease

mendel's first law states that during the formation of reproductive cells , pairs of hereditary factors for a specific trait separate so that offspring receive one factor from each parent.

explanation:

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.