Answer:
D
Explanation:
it is felling down I guess
The answer would be D, because conservation is the careful monitoring of a substance, and recycle uses the least amount of abuse on surroundings.
Answer:
Organisms interact with each other and their environment in ecosystems. The role of consumers in an ecosystem is to obtain energy by feeding on other organisms and sometimes transfer energy to other consumers. Changes that affect consumers can impact other organisms within the ecosystem.
Answer: The correct option is 
Explanation:
According to the Bronsted Lowry conjugate acid-base pair, an acid is a substance that donates protons and a base is a substance that accepts protons.
From the given options, represents a Brønsted Lowry base as it is accepting 
and 
represents a Brønsted Lowry acid as it is donating .
70 percent of Earth is covered by water meanwhile 30% is covered by land.
