Do you think your ecological footprint is smaller or larger than the 24 acres
that is average for the US? explain.

Which factors add to the greenhouse effect and are caused by human activities?

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel

Soil color only reflects the amount of organic matter present in soil.