Answer:
3g/cm³
Explanation:
<em>Use the formula:</em>
density = mass ÷ volume
<em>Substitute (plug in) the values:</em>
density = 3 ÷ 1 = 3g/cm³
One thing I think we must put in the capsule is our pictures. Very necessary, so that other inhabitants would see how we look like.
The interaction between two like-charged objects is repulsive. ... Positively charged objects and neutral objects attract each other; and negatively charged objects and neutral objects attract each other.
Its B: reduce the amount of energy needed to do the work by putting the work onto something else