*in india, there are 3 types of railway gauges
- broad, metre and narrow. sometimes, broad
gauge lines are indicated as double track or
single track. on the double track, trains ply
on two sets of railway lines at all times while
on single tracks trains ply only on one set of
railway lines at regulated intervals. in
q. what do you by "regulates intervald"

5 i think

explanation:

hope this will

the correct answers are:

a - pacific plate;

it is the biggest oceanic tectonic plate. surrounded on all sides by continental tectonic plates, it is submerging and gradually becoming smaller and smaller.

b - north american plate;

huge continental plate, occupying big portion of the northern hemisphere.

c -eurasian plate;

alongside the north american plate, it is one of the two dominant continental plates in the northern hemisphere.

d - indian plate;

a small continental plate, that has been part of gondwanaland initially, but after the break up of it, moved towards northeast and pushed into the eurasian plate that was once part of laurasia.

answer; round wood logs, building materials like (plywood),also pulp and paper products;

answeramicable; (friendly);