True or false;
helium is considered a complete atom with the least reactivity of the elements on the periodic table.

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

Both independent and dependent clauses