Which of the following contributes to the diversity of an ecosystem? Increased keystone species
Reduced species richness
Increased invasive species
Increased foundation species

Why might surface mining be less risky for miners than underground mining? a. surface miners can become trapped in a collapsed mine. b. surface miners work in dusty, enclosed areas. c. surface miners work aboveground. d. surface miners use elevators to enter mines.

Select the word from the list that best fits the definition a system made of 25 satellites

Where are the strongest jet streams located?