BigBook-Book 6 Unit 05 (E)

13 카드 | CompassPublishing

세트공유

answer

a reply in response to a question
Your answer might be eggs!

chicken

a domestic fowl used for food
When you think about what chickens produce, what comes to mind?

diesel

a type of petroleum used to run engines
The mixture is then blended with diesel and is used to power engines.

eliminate

to remove
This helps to eliminate environmental damage but tons of chicken waste remains.

engine

a machine that converts heat into energy to produce force and motion
The mixture is then blended with diesel and is used to power engines.

fertilizer

a substance used in the soil to help plants grow
Then, it is used to make fertilizer and food for cattle.

nearly

almost
In the United States, chickens produce nearly 100 million tons of waste per year.

nitrogen

an element in the atmosphere and in plants and animals
Chicken waste contains elements like nitrogen and phosphorus.

produce

to make
Chicken do produce eggs but, like all animals, they also produce waste.

substance

physical matter
Scientists mix chicken waste, water, and other materials until it forms a thick substance.

thick

not thin
Scientists mix chicken waste, water, and other materials until it forms a thick substance.

ton

a unit of weight equal to 2000 pounds
In the United States, chickens produce nearly 100 million tons of waste per year.

use

to employ for a purpose
using chicken waste to create biodiesels helps to protect the environment.