If a plant root absorbs more cations than anions from soil, the ph of the surrounding soil will: decrease increase

The pH of the soil will increase

Explanation:

As plants takes all the positive charged ions from the soil and less of negatively charged ions then the their discharge would add to the neutral alkalinity of soil

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.