3 ? could you give more background on the question?
a. A chemist has come up with an idea for using citrus waste to produce ethanol, which is added to gasoline to reduce air pollution.
Shut up!!!!
lol jk sorry if you were offended stranger
Barbara Jordan was the first African American elected to the Texas Senate while Althea Gibson was the first Black athlete to cross the color line of international tennis. So they were both the first for something. Hope this helped!