The correct answer is B. Prokaryotes do not have a nucleus, while eukaryotes do.
Bitterness, saltiness, and sourness could not be detected by the tip of the tongue
A portion of the electromagnetic spectrum is visible to the human eye, but I'm not sure what your options are.
Answer:
O silicon (Si)
Explanation:
-Valence electrons are electrons of the outermost shell which can participate in chemical bonding. ... -As in silicon, four electrons are present in the outermost shell, so silicon has Four valence electrons.