PLEASE HELP ASAP I need it badly

Why was the battle of gaugamela an important turning point in alexanders conquest of persian empire

Apex plz i’m almost done if i get this all right

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