In the election for class president Rachel received 60 votes and lucas received 10 votes. What is the ratio of the number of votes lucas received?

When sunlight excites electrons in chlorophyll, how do the electrons change?

You leave your bicycle out in the rain and it rust is a physical or chemical change

How do musical instruments vary pitch? by changing the frequency of standing waves by increasing the amplitude of standing waves by interrupting sound waves by changing the wavelength of standing waves

How far away is the sun from earth in AU?

A comet orbits a star in a strongly elliptical orbit. The comet and star are far from other massive objects. As the comet travels away from the star, how does the kinetic energy and potential energy of the system change?

California has been spending money to establish desalination plants. The state is preparing for

What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

When two or more pure substances are blended together the result is a?

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes