Your answer would be Type O blood, which is a universal donor.
Answer: Option A.
Charles Darwin proposed the theory of natural selection as a mechanism of evolution.
Explanation:
Charles Darwin was an English naturalist that lived between 1809 and 1882. He proposed a theory of evolution and natural selection. The theory states that all living organisms came from and develop through the natural selection of small, inherited variation that increase individual's ability to compete, survive and reproduce.
The correct answer is: [C]:
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"T<span>he neuron releases chemical messengers (neurotransmitters) or electrical signals."
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