The ancient Romans knew about an earth material called lodestone. Lodestone is a rock that is a natural magnet. The Romans created a monument
in one of their temples that included a statue suspended in midair. How might they have used lodestone to create this effect?

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

How can you approximate the number of calories required to keep you in energy balance?

Where can you find prokaryotic and eukaryotic cells?