Cold air is dense and warmer air is less dense and so as the cool dense air sinks the warm air rises and takes its place causing a convection current. This is the same with water and other gaseous and liquid substances.
Answer:
ellos comieron is they ate
Explanation:
I speak Spanish that is how we would say it
I think it would be c because an archipelago is a group of islands
The way the moon effects the tides on earth is the gravity between the earth and moon and I would go into more detail but that would take all day
Eliminating child labor is problematic (in third world countries) because of outsourcing. We have our products made in foreign countries with no child labor laws because it's cheaper. We eliminate child labor, the price of production goes up and bushiness have to charge more to cover the costs, hiking the prices to consumers in our economy. Therefore, big companies don't really want child labor to be eliminated. A lot more could be done about it, but many people choose not to help for their own personal gain.
