What has happened to native american languages through history? they have become more developed. they have been adapted into various media forms. they are gradually diminishing. they have been combined to form more easily understood dialects.

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste