<span>A.The Sahara was a savanna
Northern Africa was a place of trees, grasslands, lakes and people. Today, it is the Sahara — a desolate area larger area than Australia.
Lake Yoa, in northeastern Chad, has remained a lake through the millennia and is still a lake today, surrounded by hot desert. Although little rain falls, Lake Yoa’s water is replenished from an underground aquifer.
By analyzing thousands of layers sediment in a core drilled from the bottom of this lake, an international team of scientists has reconstructed the region’s climate as the savanna changed to Sahara.</span>
Answer:
Communicative competence
Explanation:
Communicative competence involves communicating a language by including cultural context. In other words communicating with the right use of words, grammar, phonology and taking into consideration the social knowledge.
It is how a native speaker normally speaks, but for someone who speaks another language it is difficult to be competent.
Hence, the statement here refers to communicative competence.
psychology over stability versus change centers on the permanence of initial personality traits. Some developmental psychologists argue that personality traits seen in infancy persist through a person's entire life, while others disagree.
<span> </span>
Cons:
-you can't wear whatever you want
<span>- it restrict students' freedom of expression (People may not like the uniform)</span>
pros:
-your school looks nice and more clean
-<span>Students experience less pressure in deciding what to wear each morning.
</span>-you won't get distracted by other people's clothes
- girl's and boys won't dress inappropriately
