What three sources does the human body use to provide energy for moderate physical activities

Minerals such as sulfur can sometimes be identified by colors, true or false.

If a boy rides his bicycle 100 meters in 20 seconds to the end of the street how fast did he ride his bike

What is coldest planet in solar system?

A boat travels 3 m/s in a direction that is 40 degrees north of west. If the boat travels for 120 seconds, how far did it go in the westward direction? A - 276 m B - 231 m C - 92 m D - 31 m

What is an astronomical unit (AU) ?

A planet is discovered orbiting around a star in the galaxy Andromeda at four times the distance from the star as Earth is from the Sun.

Measurements of how orbital speeds depend on distance from the center of our galaxy tell us that stars in the outskirts of the galaxy. True or False

Identify what is required to calculate the atomic number and atomic mass of an element

What device is used to measure the current in a circuit

A lever allows a 35 N load to be lifted with a force of 7 N. What is the mechanical advantage of the lever?