I think the first one is right !.... but the for the other one it's B .
<span>Tariffs shield new industries in the early stages of their development from the competition of more mature rivals.</span>
The area encircling the Pacific Ocean is called<span> the "</span>Ring of Fire<span>," because its edges mark a circle of high volcanic and seismic activity (earthquakes). Most of the active volcanoes on Earth are located on this circumference.</span>
Organisms on a island are more similar to those on a nearby land mass than to those in similar climates further away.