The answer is C because it's the only one that talks of a gender.
Hope it helps.
Answer:variable - interval
Explanation: In the this scenario, The humanities instructor is using a variable-interval schedule of reinforcement. The instructor used the word 'surprise' meaning the time and date of the test isn't fixed and the quizzes will come up at unpredictable time intervals. This kind of reinforcement results in a steady response rate as it keeps students on their toes simply due to the fact that they have no idea of when the quizzes are coming up.
Answer:
want of land
Explanation:
a bunch of countries wanted land and faught over it
Flow most likely arises when one's activity entails a balanced ratio of A) skills to challenges, I believe.
The Olmecs<span> were the first major civilization in Guatemala and Mexico following a progressive development in Soconusco and modern southwestern pacific lowlands of Guatemala. They lived in the tropical lowlands of south-central Mexico, in the present-day states of Veracruz and Tabasco. </span><span>Olmecs believed they were descendents of jaguars</span>