A convergent plate boundary is when two plates move towards each other, also known as a destructive plate boundary. So, the answer is A.
A warm front<span> is where a </span>warm air mass is pushing into a colder air mass, <span>https://www.windows2universe.org/earth/Atmosphere/tstorm/warm_front.html.
</span>QUICK ANSWER<span>A warm front occurs when a cold air mass retreats and is replaced by a warm air mass. Warm fronts typically bring some form of precipitation to the area.<span>CONTINUE READING</span></span>
I don't get it. What's your question supposed to be???