23 . explain how to conjugate (pedir) and (servir ) in the present tense , write your answer in spanish and english to explain the process accurately ! 24. explain the different functions of the aerospaces centers in houston and cape canaveral .write your answer english !

23.Los verbos que cambian el tallo tienen cambios ortográficos en todas las formas de tiempo presente, EXCEPTO nosotros (as) y vosotros (as). La raíz de los verbos es la parte del infinitivo que queda después de dejar caer terminaciones como -ar, -er o -ir. Pedir traducir es "pedir u ordenar". La forma en que lo pondrías en presente es Yo - Pido. Tu - Pides. El, Ella, Ust. - Pide. Nosotros - Pedimos. Vosotros - Pedis. Ellos, Ellas, Uds. - Piden. Servir es de la misma manera simplemente reemplaza el -ir con el cambio correcto

24. Houston:Mission control is also located in Houston. This is the place that handled all U.S. space flights after the spacecraft had been launched from Cape Canaveral, 
Cape Canaveral:Cape Canaveral, or the Space Coast, is on the eastern coast of Florida at the John F. Kennedy Space Center, which has been the launch site for every American spacecraft since 1968.

Ican you but what's the list of items?