
Goats can be used instead of chemicals. They can be used instead of machines. Goats are better for the environment.
Photo Credit: Nataliia Melnychuk/Shutterstock
Maria Telkes invented things that use solar energy. One thing … read more
You will need supplies. You might need crayons. You might … read more
This is the White House dining room. While they are … read more
© 2025 McGraw-Hill Education. All Rights Reserved.