Correct this sentence:"Ideas easily spread in this world now." As the topic.

Is it correct to call a girl "son"? I am a female student, and one day, my house lady ask me:" how many pancake do you want, son?" I was so confused. I thought maybe she just mixed my gender. But the other day I saw another woman calling a girl "son". I know it's time to learn something new. Please tell me why. And help me with my grammar mistake.

What‘s the difference between journals and individual journal articles? Are the individual journal articles are the part of the journals? BTW, what is a journal? (in academic angle

What does "of a lead" mean when it says " toward the positive electrode of a lead" The whole sentence is :" It measures the electric potential V as a function of time in a certain direction (toward the positive electrode of a lead) My question is: If it means the certain direction is the positive electrode, why not just saying (toward the positive electrode)? what is the function of "of a lead " here? Thank you.

When I say "thank you",the other people might say "no worries" but I am no worring at all... What is that mean exactly?

What is non Loss Time injuries? There are Lost time injuries, non loss time injuries.............injuries on the job

The use of "oriented" the sentence in the slides is : Young people are not told or understand the hazards in their work place... and the professor explained:" young people aren't trained or oriented, don't know what to expect from their employer...or supervisor" I searched the word of "oriented" and it says, think sth. is important.... but if the professor is explaining word by word, what is "oriented" equal to? And also I don't understand the phase of " what to expect from" means.... is that mean : know the reason to do sth.?

Hi, I was looking at a science video, can't understand the following sentence and it's about biology Only the largest animals actually dive for their algae. What does it mean when it says ‘the largest animals'? Why other animals (small??) can not dive for the algae?

A thank you letter for donor Dear donor, Thank you so much for your kind devotion. When I and my family knew that I was admitted to XXX University with an award, the whole family was thrilled. I never have an award before, and it really makes me burst into tears. This award make me more confident academically, because I know that there is someone out there, supporting my study, caring about me, and encouraging me to work harder. I can not say I will do something good to return to society or to my university in the future, because it is too remote. But I promise I will do my best.