Which two statements are MAIN ideas of the article?
1. Zero waste is the idea that everything gets reused and nothing is thrown away.
2. Plants and animals use each other's waste as part of nature's zero waste processes.
3. More zero waste programs for people and businesses can help conserve resources.
4. The Zero Waste Institute was founded by a chemist named Paul Palmer in the 1970s.

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

on the planet jupiter, the acceleration due to gravity is approximately 26 m s2 , roughly 2.7 times the acceleration due

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.