Yes it is, because not all technological advancements will be used correctly. For example nuclear technological advancements looked like a good idea back when they invented it, but now countries are trying to get nuclear weapon and plant locations so they can possibly use that in a war against another country
Answer:
Have hard parts
Were generally large
Lived in a narrow range of geographical area
Are extinct
Explanation:
<span>Nuclei of atoms which make up the newborn baby were made in ancient stars.
Ancient stars exploded many years ago and this is the same nuclei where newborn babies are being made.</span>
Answer:
B) cAMP
Explanation:
Phosphodiesterase is an enzyme that breaks a phosphodiester bond, for example in molecules such as cAMP and cGMP. So, phosphodiestarases are are regulators of signal transduction: regulate the duration of signaling pathway.
Caffeine is central-nervous-system stimulant and the mechanisms of its action usually are: mobilization of intracellular calcium or inhibition of specific phosphodiesterases.
