7. Which of the following was NOT a factor that led to an increase in unions
in the late 1800s? *
concern about working conditions
concern about relationships with employers
concern about pay
concern about job security

Concerns about relationships with employers

Explanation:

Workers in the late 1800s joined and formed labor unions as a way to protest and vocalize their troubles. Their demonstrations eventually led to laws that increased wages, improved working conditions, and provided better job security.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.