A synthesis would be A+B-->AB its combining, decomposition is AB-->A+B, its the breaking up of a substance.
The sun gives off light energy to help plants photosynthesize and make food
During the summer, when the land is brown and the grass is green, the population of mice decreases because mice are easily spotted by the organisms that eat them.
How would this change affect the food web? Check all that apply.
A. It will increase the grass population.
D. It will decrease the snake population
E. It will increase the grasshopper population
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Density= mass/ volume
So density = 99/10= 9.9g/cm^3
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Answer:
In both cases, the gas evolved is H2. When calcium reacts with water the heat evolved is not suffcient for hydrogen to catch fire. On the other hand, sodium metal reacts with water violently and in this case a lot of heat is evolved which is sufficient for hydrogen to catch fire.
Explanation:
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