Can anyone please answer this question I cannot seem to get it

This means it has high amounts/alot of mass.

Explanation:

If things with mass attract each other, and things that attract strongly have a high gravity, then we can make the conclusion things with high mass have a high gravitational pull, and vice versa.

The question tells us Black Holes have great(high) gravity, so we can say Black holes also have high mass.

If this is confusing say so, and I'll try to elaborate.

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  

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.