Drag and drop to identify the four main layers of the earth's atmosphere from the surface upward. Under the name of the layer, drag and drop to identify a unique characteristic of that layer.

It says I got it all wrong but I swear I got it right if I did something wrong plz tell me. Thanks!

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them