Okay so nothing equals nothing so after that you get nothing
The correct answer is A) Chlorophyll absorbs sunlight energy for photosynthesis.
When a fire is lit, it releases CO2 which will allow the combustion reaction to occur. When a fire is lit, energy is being emitted causing the paper to burn in contact with oxygen. The paper doesn't light up when in usual contact with oxygen because there's not energy fueling the reaction to occur.
Answer:
From the time of origin of life on earth has chaged many ways. The earth has also changed from the time of its origin. Both lives on earth itself are dynamic.
Different geolgical phenomena such as volcanic erruptions, tectonic movement etc., have changed the configurations of continents. These changed environment of the continents have affected the lives on the earth.
The Earth is 4.8 billion years old, while the origin of life on the earth is 3.5 billion years old. Gradually these changes have given the chaces of variations, from which the suitable organisms are selected on the earth.
Explanation:
The right answer is Nutrients and water.
All unicellular organisms such as bacteria and fungi need water, a source of energy, a source of carbon, a source of nitrogen and mineral elements. These basic needs are sufficient to allow the nutrition of bacteria qualified as prototrophs. Some bacteria called auxotrophs require, in addition to basic needs, the presence of growth factors.
