<span>a)Stem cells must always be provided by a donor who is financially compensated.</span>
Answer:
what do you mean don't understand
Explanation:
you're not telling good information
Answer:
Although humans can sometimes influence natural disasters (for example when poor levee design results in a flood), other disasters that are directly generated by humans, such as oil and toxic material spills, pollution, massive automobile or train wrecks, airplane crashes, and human induced explosions, are considered.
The answer is "A hypothesis is tentative statement" and "A theory has a strong predictive power."
Answer:
a) 12 neutrons
Explanation:
The atomic mass is 22.990, which can be rounded to 23 and is the combination of protons and neutrons. The atomic number is 11 (protons), and 23-11=12, whoch would be the neutron number
Hope this helps :)