Answer:
Vatican City is the world's smallest country. It covers an area of only 0.19 sq mi or 0.49 sq. km.
Based on the survey conducted since 1940, the racial attitudes that were held against the white and Americans have changed tremendously. However, the changes are very complicated than they are assumed. Many different policies have been acquired to fight racism equality.
First is the desegregation of schools that was conducted to prevent house discrimination from promoting change. The national, racial climate has also experienced changes however the question remains if there has been a change in the American hearts.
Answer:
- The way they choose their homes were different.
- Their main food sources are different.
Explanation:
- The way they choose their homes were different.
During the stone age, humans were nomadic. In order to fulfill their basic needs they have to engaged in hunting & gathering process to obtain foods and shelter from their environment. If the food in a certain area became too scarce, they will move and settle to another area.
During the agricultural age on the other hand, humans stayed in one place in a long period of time because they can produce their own food source. They're no longer need to hunt to fulfill their basic needs.
- Their main food sources are different.
During the stone age, animals meat and wild fruits were humans' main food source. As we entered the agricultural age, we started to developed food sources that were easy to produced and provide us with high calories. This is when we slowly transitioned into mostly consuming crops such as Potatoes, rice, and corn.
Yerkes-Dodson law says that moderated arousal levels can improve
performance up to a certain point. For example if you are a bit anxious for a test, that may actually make you perform better. If the arousal becomes to excessive, the performance reduces.
answer: <span>b. best; moderate</span>
Answer:
C. Primaria
Explanation:
Una fuente primaria se refiere a la información obtenida de una observación de primera mano de una cosa.
Cuando se observa directamente a los miembros de una especie, se recopila información más confiable. Dado que esta información se recopila a través de una observación directa de primera mano y un censo de las especies involucradas, la fuente de información se obtiene de una fuente primaria.
