Dr. Kizzmekia Corbett’s team made a vaccine for COVID-19. Her team worked hard to make the vaccine. They made sure it is safe. The vaccine will help less people get sick.
Photo Credit: Evan Vucci/AP
Some of the water is frozen. Snow is made of … read more
Light caused by people is called artificial light. Artificial light … read more
The venus flytrap is another strange plant. It grows in … read more
© 2024 McGraw-Hill Education. All Rights Reserved.