A.<span>investigating a subject in order to discover or revise facts, theories, and applications
</span>
a comet struck and a chain of problems happened which wiped yhe dinosaurs out
Answer:
1. dog
2. customers
3. barn
4. baby
5. yesterday
I believe these are the answers. English is one of my best subjects, but I don't really like analyzing sentences all that much, so it's hard for me sometimes :')
Whether or not it is relevant and/ or reliable.
