GRAMMÄR. Read the sentences below and circle the subject\s) and underline the predicate (verb or verb phrase). (15*1=15) For example: Combustion is a word for fire or burning 11. Mining is the process of extracting minerals from the earth 12. A petroleum engineer's work focuses on the extraction of oil and gas from the ground 13. Workers use different types of machines to size the minerals 14. Interviewers will want to test your problem-solving abilities. 15. Acrylic is used for aircraft canopies and double glazing 16. Unsafe and dangerous work practices risk human lives 17. The proportion of valuable parts has been increased. 18. In virtually all forms of mining, rock is broken by drilling and blasting. 19. Large coal deposits exist in this petroleum producing area 20. Ore from the mine goes directly to into primary crushers. 21. The most important clues to subsurface geological features come from geochemical and geophysical techniques. 22. An evaluation of the samples enables the geologist or mining engineer to calculate the tonnage and grade, or richness, of the mineral deposit.23. A geoscientist studies the physical properties and processes of planet Earth, 24. From prehlstoric times to the present, mlning has played an Important part in human existence, 25. A further subdivision of the types of minerals mined by humankind is also common,

Sure, here are the subjects and predicates for each sentence:

11. Subject: Mining, Predicate: is the process of extracting minerals from the earth
12. Subject: A petroleum engineer's work, Predicate: focuses on the extraction of oil and gas from the ground
13. Subject: Workers, Predicate: use different types of machines to size the minerals
14. Subject: Interviewers, Predicate: will want to test your problem-solving abilities
15. Subject: Acrylic, Predicate: is used for aircraft canopies and double glazing
16. Subject: Unsafe and dangerous work practices, Predicate: risk human lives
17. Subject: The proportion of valuable parts, Predicate: has been increased
18. Subject: In virtually all forms of mining, rock, Predicate: is broken by drilling and blasting
19. Subject: Large coal deposits, Predicate: exist in this petroleum producing area
20. Subject: Ore from the mine, Predicate: goes directly to into primary crushers
21. Subject: The most important clues to subsurface geological features, Predicate: come from geochemical and geophysical techniques
22. Subject: An evaluation of the samples, Predicate: enables the geologist or mining engineer to calculate the tonnage and grade, or richness, of the mineral deposit
23. Subject: A geoscientist, Predicate: studies the physical properties and processes of planet Earth
24. Subject: From prehistoric times to the present, mining, Predicate: has played an important part in human existence
25. Subject: A further subdivision of the types of minerals mined by humankind, Predicate: is also common