According to the online content article "tuna," tuna must swim continuously in order to a. feed b. mate c. breathe d. migrate

The correct answer is C.

Tuna fish must swim in order to breath. They can not stop moving even for a moment through their entire lives. By moving, they pass oxygen rich water over their grills and this is the only way they can get the oxygen into their bodies. They swim with their mouth open, swallowing a large amount of water all the time. They need a lot of energy to be able to move constantly so they eat a tremendous quantity of food, some of the species as much as 25% of their own weight every day.

on my quizlet page it is c

Explanation:

native americans suffered high rates of poverty and unemployment.

during the late 1960s and early 1970sthe need for political militancy grew among the native americans. throughout the 1960s, they had been the nation's poorest minority group, the most deprived group, according to practically every socioeconomic measure. in 1970, the indian unemployment rate was 10 times the national average, and 40 percent of the native american people were below the poverty line.

1.) irish.

2.) settlers could obtain cheap land nearby

3.) steam engine

explanation: