Distribution of white adipose tissue in the human body. White adipose tissue (WAT) or white fat is one of the two types of adipose tissue found in mammals. The other kind of adipose tissue is brown adipose tissue.
I believe PTE is easier and hence I gave this exam. Also, I am more comfortable with computers than humans. A person judging my English or any skills make me bit uncomfortable and I start stutter/stammer. Also, I believe PTE to be more fair and real test of English.
Because the IELTS Academic exam is more similar to the TOEFL than IELTS General Training, sometimes the IELTS Academic exam is used to assess the English abilities of foreign workers in America. The TOEFL is sometimes used as an IELTS substitute for medical professionals outside of the US, too.