Answer:
D. All three primary germ layers develop into some more type of nervous tissue
Explanation: All of the primary germ layers have specific nervous tissue development. a) Ectoderm - neuroectoderm (neural tube, neural crest). b) Endoderm develops into (among others): The digestive tract and its attached glands; the inner lining of some organs, such as the lungs, nervous tissue; epidermis . c) Mesoderm - notochord signals the ectoderm to develop the neural crest more
Biotic is living things so it's either A or C I'm good at Biology I have a 100%
Smoking two packs of cigarettes a day for twenty years reduces one's life span by EIGHT YEARS.
Cigarette smoking has serious consequences on the health of the smokers and it has been reported that for every cigarette a man smokes his life span is reduced by 11 minutes, thus, a cartoon of cigarette a day is equivalent to a day and a half [36 hours] loss in life span.
Answer:
Option 1
Explanation:
Valence shell/level/cloud is the last shell that has any electron(s) in it. It is usually called the outermost shell.
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Hope this helped!
<h3>~AH1807</h3><h3>Peace!</h3>
