Answer:
objects with more <em><u>mass</u></em> have more gravity
Explanation:
They provide an important habitat!
Answer:
Gray water is somewhat (mostly) clean waste water. It can be from baths, sinks, kitchen appliances, and more.
Answer:
Changes in the environment affect the food sources available for birds. For example, if a flood was to occur, there would be an abundance of fish to birds to eat. So birds with bigger beaks will be able to eat fish, to live and reproduce offspring with bigger beaks. While birds with smaller beaks will not be able to catch fish to eat, therefore decreasing the population of birds with smaller beaks.