Rocks,water,pebbles = Abiotic
Fish =Biotic
A. for cooking food and transmitters
That the oxygen levels in the test tube increased and carbon dioxide levels decreased because plants produce oxygen using carbon dioxide
Answer:
7
Explanation:
pH ranges from 0 to 14, with 7 being neutral. pHs less than 7 are acidic while pHs greater than 7 are alkaline(basic)
B - Many Agricultural practices bear some pretty bad impacts on the environment. A, C and D are incorrect.
