Response:
a dictionary for spelling or spelling rules
The theory developed based on observations made on the Galapagos islands was, Natural Selection.
I hope I helped you!
Source: https://socratic.org/questions/which-theory-was-developed-based-on-observations-made-on-the-gal-pagos-islands
The three main types of solder are lead-free solder, lead-based solder, and flux-core solders. There is another type known as silver alloy solder. These types are made on the composition of alloys. Apart from this, there are other solder types depending on the form, core style, and application.
B espero.
______________ the search and rescue team arrives early at the site of the earthquake.A It is a pity thatB I hope thatC It is very sad thatD it is not urgent that