Question

Which agricultural inventions prompted the Sung dynasty’s population growth?

There is more than one correct answer. Select all that apply.

=New methods for breeding livestock were used.

=New irrigation techniques were used.

=New strains of rice were grown.

=New strains of wheat were grown.​
HELP PLEASEEEEEEE

Answer 1

New strains of rice and new irrigation techniques

Step-by-step explanation: