The world is feeling the fallout from rising temperatures and changing climates. Disasters are getting stronger and more frequent. Droughts are lasting longer. Weather patterns are less predictable. Farming practices that were once stable are no longer effective. Smaller harvests leave families with less to eat and sell.
Answer: vertical merger
Explanation: A vertical merger involves similar businesses that are involved in particular specialized needs. For example, US steel produces steel which is used in making automobiles. General motors needs steel to produce automobiles. A merger between these two Companies is termed a vertical merger. Another example can be a grocery store that sells chicken eggs purchasing a poultry farm that rears chicken.
A you compare things
B you say the difference