Question: It is true that there are differences in style between some of the books of the Elements yet many authors vary their style
Please fix the punctuation.
Fixed: [It is true that there are differences in style between some of the books of the Elements yet many authors vary their style.]

Question: They carry material from the depths of the termitary to build up the new cell structure which eventually is covered with new skin
Please fix the punctuation.
Fixed: [They carry material from the depths of the termitary to build up the new cell structure, which eventually is covered with new skin.]

Question: It is possible to create up to 30 schedules according to attributes which will be trained and according to training length
Please fix the punctuation.
Fixed: [It is possible to create up to 30 schedules according to attributes which will be trained and according to training length.]

Question: But even so it is worth it in terms of a calmer house and a healthy baby
Please fix the punctuation.
Fixed:
[But even so, it is worth it in terms of a calmer house and a healthy baby.]