Maybe about the pandemic or about how the world climet change
Explanation:
Some common ways of preserving food are as follows:
1) Freezing
2) Vacuum Sealing
3) Pickling
4) Drying or Dehydrating
According to the text in the question, two important contrasts between seagulls and wild geese are:
1. the fact that seagulls are scavengers, while wild geese are not.
2. the fact that wild geese follow seasonal patterns of migration, while seagulls do not.
