C
Given that the World population changed little between this time, we can gather than the birth and death rates were similar, since they seem to cancel each other out from 1200-1400. To clarify, think of this. If you add something to a total (think births to population), but take away the same number (think deaths from population) you end up with the same total as before. Because of this, A is the correct answer choice (The birth rate and death rate were about equal).
Answer:
always equal and opposite
Explanation:
For every action, there is an equal and opposite reaction.
1): it's learned helplessness, -it's really hard to unlearn, and can't really be unlearned by conditioning.
2) the best answer here is social cognitive theory - observation of others is seen as a part of social cognition.
3) Here the correct answer is the following:
B. can develop even if a behavior is only intermittently reinforced. This means that you believe you're lucky on Fridays, even if you're not lucky on every Friday, only on some Fridays.
Answer:
Far from other valleys, Small islands, mountains, good areas for harbors
geographic features.
Explanation:
