How much positive and negative charges is there in a cup of water?

About how often does a 1-kilometer object strike the earth? about how often does a 1-kilometer object strike the earth? every year every million years every billion years

Сколько времени двигалась машина со скоростью 36 км/ч если она проехала 1800 м Ответ в минутах

Which of the following statements of kinetic molecular theory explains the compressibility of gasses as compared to liquids and solids? Gases are made of molecules which are relatively far apart. The molecules are in motion at high speeds.

Why is alpha rays not suitable to scan baggage at the airport?

Imagine that two charged balls placed some distance apart strongly attract each other. Now imagine placing a pane of glass halfway between the two balls.

Why do you float in space

How does physical change affect the identity of a substance

A scientist pours grape juice on three identical white shirts He then uses three different cleaning products on the shirts and measures how clean they get what is the independent variable in this experiment

What part of the atom does nuclear radiation come from?

Why should scientists write reports and give oral presentations of the steps and results of their in investigations?