Students place 50 g of water in closed plastic container. They place the container in a freezer. They remove the container when half the original mass of water has turned into ice what is the combined mass of the water and ice in the container.

Why did you choose to buy this particular lock on the door.

Yep this is right you

The  knowledge gap  as been recast more recently as a “digital divide”  gap. with the internet and social media many things can be done faster and better. so much faster and better that those that do not have access to them are literally left out of the game.