Groups of stars that are smaller than galaxies are called

(two words)

Enter the answer

Ecosystems provide many services. Which of these is a service that moderates the environment in a way that benefits people? A. Artistic inspiration B. Education C. Recreation D. Climate stabilization

What does the stomach acid have in protein digestion

The speed of light is approximately 3 x 108 m/s. How would this be written in conventional notation?

What is the name given to the system of units used in the United States? A. Scientific system B. SI C. International System D. U. S. customary units

Thermal radiation is defined as what?

Jose wandered 4 kilometers at 2 kilometers per hour. How long did Jose wonder?

26. What are the 2 conditions required for work to occur?

What's another name for pure substance

How could you demonstrate that visible white light is composed of many different colours?

1500 Joules of work are done lifting a 500 N weight. How high was the weight raised as a result of this work?