When part of a glacier melts and reveals solid rock, very few plants can live in the new environment. Some grasses can grow around the cracks in rocks. Because they are some of the first organisms to live in an area, they are known as pioneer species. How can these organisms change the environment to make it more suitable for other organisms?
A.
They increase the amount of sunlight.
B.
They make water more readily available.
C.
They provide competition for resources.
D.
They contribute to the formation of soil.

The energy of blowing wind can be harnessed to create electricity. why is wind considered a renewable energy source? a) wind does not cause destruction of the environment. b) wind turns the blades of a windmill that creates electricity. c) wind provides only a very small amount of electricity to the united states. d) wind comes from atmospheric conditions that are available indefinitely.

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

Can someone i have no idea of how to do this.