Describing the Benefits of Experimen
Why are experimental investigations the best type of
scientific investigation to demonstrate cause-and-effect
relationships?

Bottle deposit programs are one way to encourage higher recycling rates. explain how they work

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k