Are there more grains of sand on the entire planet combined or stars in the solor system?

Which of the following was not a way is not an example of new opportunities for women in the late 1800's?

What body has the power to impeach the president

Nami conducts an investigation on plants. she places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. in this investigation, the amount of light is the .