<span>September 1, 1939 – September 2, 1945
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The answer to 20. is A.
B wouldn't affect the plates,
C would push the plates downwards,
and D.... I don't even know what that is.
Explanation:
Aluminium is a metal from group 13. ... The acids in the pickle would react with aluminium forming hydrogen gas in excess. This will deteriorate the quality and taste of the pickle and would also harm the human body if consumed.
You used hypothesis because you made an educated guess without any experiments.
The answer is true, Sponges can regenerate the entire organism from just a conglomeration of their cells. They can be cut up or mashed, and as long as they have two special cells called collencytes, which produce the gelatinous matrix in the sponge, and archeocytes, which produce all the other cells in the spongeâ??s body, the sponge will reform into the sponge it once was. Although, it will look different. Hope it helps!
