Para aprender: it means to learn
B) esta. esta typically refers to describing something like location whereas es describes the person's attributes. (ie, esta would be used with "she is in the store" and es would be used with "she is cute"
Answer: un tornado
Explanation: A tornado consists of a cone-shaped accumulation of air and water rotating violently on its axis (also named eye).
<h2><em>Spymore</em></h2>
Answer: Both students are required to wear uniforms.
Explanation: