Explanation: Protons and neutrons both weigh about one atomic mass unit or amu. Isotopes of the same element will have the same atomic number but different mass numbers.
( lemme know if it's wrong )
Answer:
During World War II, the SS and other German occupation authorities concentrated urban and sometimes regional Jewish populations in ghettos. Living conditions were miserable. Ghettos were often enclosed districts that isolated Jews by separating Jewish communities from the non-Jewish population and from other Jewish communities. The Germans established at least 1,143 ghettos in the occupied eastern territories.
Explanation:
I'm not sure but it can be a force that pulls objects with mass towards it.
I think that the key point here is the "easily reproducible" - because all of them can be scientific questions (even a! it could tell us about about the human psyche!)
but d. is the best answer for a reproducible experiment. B could also make a good experiment, but it would be too expensive to be easily reproducible. C is calling for a more complex analysis that is too complex for an experiment. And a would require more questionnaires than experiments
Answer:
physiological
Explanation:
Since Ethan was on a long day trekking in the mountains his hunger is a normal function of his biology to recover.
Physiological, an adjective relating to the branch of biology that deals with the normal functions of living organisms and their parts.