Which factors provide the basis for the differences observed in the major land biomes on earth?
a. average temperature and average precipitation
b. average windspeed and average oxygen levels
c. average day length and average night length
d. average organic content and average mineral content in soil

What is hydroelectric power produced by?

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.

The transport tubes from food came down the plant are called?