Nails are made of iron because, iron is strong and sturdy; although nail rust when it undergoes oxidation when expose to water but it is not explosive.
Barium and phosphorus are not suitable for nail making because of their properties.
Barium is an element which reacts with virtually all non metals, forming poisonous products which are dangerous to health and to the environment. It also reacts explosively with water.
Phosphorus is not found in its pure form in nature, it conducts electricity and it is combustible in nature.<span />
C.specialized cells
such as choanocyes which grab food when filter feeding
You could do regular daisies, or pet grass... It could be almost anything.
I hope this helps!<span />
The answer is D.They reproduce independently. It is false because they need a host and can't survive by themselves.
<span>♡♡Hope I helped!!! :)♡♡
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