Is this question correct? If so, what’s the amount of material we’d expect to receive?

When I was an elementary school student I liked history. It was very interesting to learn about ancient cultures and how the world became what it’s now.

Does this text sound correct? I wasn't able to find the right words to express how having two different skillsets can create a model. I think the word mature doesn't express this idea. I have solid knowledge in strategic sourcing best practices across different industries and financial knowledge, together they make my skillset very unique because I can help companies to improve their operations and drive sustainable cost reduction through more mature planning models.

Is this sentence correct? My decision to resign from this company is driven in large part by a mismatch between the responsibilities I was hired to do and what I actually do. In addition to this, the relationship between my leader and me was far from perfect. I talked to her several times, but no final agreement could be reached on any of our calls. She has been rude to me constantly, and I’m being micromanaged, which has not allowed me to show my full potential.

Is this correct? What information do you need from me, so I show up prepared?

Is this text correct and natural? ABCD is the person responsible for the certification. I needed to find names of laboratories to be able to conduct the required testing. I’m sorry for the misunderstanding.

Does this sentence make any sense? Cardboard orders quantity was determined by storage capacity in our warehouses. I mean i didn’t order the total number of boxes because there’s not enough space in the warehouses?

Is this correct? I'm starting with a brief introduction of myself, and then I'm going to share some relevant aspects of my life. My name is Nath, Born and raised in Mexico city. I graduated from the University of Bordeaux in France with a degree in Business Administration. I have over 7 years of experience in Procurement across different industries and countries, including Panama and Poland. I moved to Houston last year, right before the pandemic began. Moving on, I have a dog, he's an Australian shepherd and his name is Jasper I love smelly cheese, My favorite one is mimollette from France. (Lille city) I think the most beautiful city in the world is Barcelona because this city has it all. I lived in 4 continents. I'm missing South America, Australia and Antarctica. I think I won't never live in Antarctica since I'm not a scientist and have no plans to become one. I like romantic movies Lastly, I won the ultimate spicy chicken wings competition in 2015. This food chain gave a coupon to have free chicken wings for a whole year.