ATP is used in cellular activity in living organisms as a source of energy.
Explanation:
The structure of an ecosystem is a group of the organisms and physical features of environment including its own amount and its distribution of nutrients in a particular habitat. It helps to also provide info regarding the range of climatic conditions that try to harm the ecosystem in the area.
It's Chlorination , I just took the test
Omg was tthe I was sooo tired and tired of today bruh was a sooo bad dream we I got ya