Distinguish between probability and non-probability sampling

You are getting ready to transport troops in a m1152 configured with cargo cover and troop seats which of the following should you do before starting out

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.

Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3