The three stages of volcanic activity are active, dormant, and extinct.
Answer:lack an epidermal covering, and their skeletons are composed of spicules of silica.
Explanation:
The spicules, which often form a latticework, have six points or some multiple thereof. Glass sponges are pale in color and are cup- or basket-shaped.
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The statement "<span>Forensic scientists rarely have to positively identify a specific drug since they only need to prove the general category of a drug for court cases." is true. </span>
Answer:
Quincy is correct, because both spicules and stinging cells can be used to protect against predators.
Explanation:
its right on the quiz
Answer:
B. respiratory illness
Explanation:
Air pollution causes humans to breathe unhealthy air which can lead to respiratory illnesses.