Calvin's professor can conclude that Calvin has been an observational kid.
Explanation:
The observation Calvin makes is a rather arbitrary one but one that can invite broader concern nonetheless.
Some kids start bobbing their heads and raising them before they can ever turn while the other develop these skills in the opposite order.
It would remain to be seen if Calvin would think something can be inferred from this otherwise rather standalone observation of things or not as there may be a study on how far this can be taken in child psychology.
At any rate, he is an observational student and the professor can put that to use.
explain it please its a little confusing if u could summarize it
Answer:
Trilobites
Explanation:
The Phanerozoic Eon is characterized by the presence of organisms that possessed hard shells as an adaptation to the environmental conditions. Among these organisms, the most common hard-shelled animals were the trilobites.
Trilobites were present during most of the Paleozoic Era, which belongs to the Phanerozoic Eon. These animals were marine organisms with remarkable and unique phenotypes.
The body of a trilobite was composed of three segments: the cephalon, the thorax, and the pygidium (tail). In addition, they possessed an exoskeleton composed of chitin, which was the reason behind their hard shells. They shed their exoskeletons to be able to grow.
Trilobites are currently extinct.
Answer:
A, but this question is very heavily based on your morals.
Explanation: