How has technology changed farming?

Technology has made farming far more sustainable and smart with self-driving tractors, Agricultural drones, GPS Technology, water uses and precision, and many other modern technologies. It has changed our farming to business. Nowadays farmers use mobile apps to calculate the grass in their field. That saves their time and money too.

Explanation:

the answer to your question is:

c. complementary base-pairing

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.