CFCs are Chlorofluorocarbon substances used in refrigerants (subtances used to keep other things cold) and in aerosol products.
they are both relatively nontoxic(nonpoisonous) and nonflammabale - at least as compared to alternatives.
They are rather volatile - they are not very stable. Therefore it does not make sense to say that they are strong - the correct answer is then strength.
Answer:
If a nation were to depend on foreign oil, if there were be an natural event to the country the nation is depending on that would cause a problem such as decreasement of oil or make it hard to export oil it would be hard to find an alternative efficiently. If there was to be a war or feud, or you eliminate an export to the country with the oil, they might stop sending oil.
Explanation:
This process is known as synaptic pruning.
Synapse pruning is the process when the synapses are eliminated and it occurs usually in the early childhood. Synapses that are eliminated are the ones that organism no longer needs. Synaptic pruning process is regulated and influenced by environmental factors.
Answer:
39
Explanation:
When u have 100 cells and most of them are resestant to drugs most people have 39 cells
The dead and decayed plants turn to coal after a million years under high pressure and heat of the earth.
And the petroleum is formed the same but with the dead animals in ocean bed to form petroleum
