Her conclusion is invalid because using sand instead of soil slows down plant growth. Fertilizer, on its own, does not 'greatly' increase the size of the plant.
The correct way to do this experiment would be to keep all other parameters same, except the fertilizer. This will give her accurate results.
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Answer:
The temperature of the surrounding air increases when the atmospheric CO2 level increases.
Explanation: Carbondioxide gas is a very important gas in the environment but high amount of it cause damage to the organisms.
Carbondioxide gas is also called greenhouse gas because it has the ability to absorb or trap heat energy when the solar radiation goes into the space after hitting the earth surface. If the concentration of carbondioxide gas is increased, more heat energy will be trapped and thus increase occurs in the temperature of the atmosphere which results in global warming.
Answer: The answer for the first one is
1: Eukaryotic
2: mitochondria
3: carbon dioxide, water, atp
4: glucose, oxygen
5: Glucose.
I got C. it is a homogenous mixture and particles settle down if left undisturbed.
The correct option is B. 80% of the radioactive phosphorus used in the experiment entered the cell showing that DNA was the hereditary material.
